Tap chi KHOA HOC DHSP TPHCM Sd 61 nam 2014 ^ THANH PHAN LOAI VA THAM THy'C V^T VEN SONG YAM CO TAY, TINH LONG AN LE B A KHOA', DANG VAN SON",PHAM VAN NGOT'" TOM TAT Kit qud nghiin ciru da xdc dinh duac ven sdng Vdm Cd Tdy cd 205 loai, 159 chi, 74 hp ciia nganh thuc vat bac cap cd mach Id nganh Duong xi (Polypodiophyta) vd Ngpc Ian (Magnoliophyta) Tdi nguyin thuc vat cd ich dupe thdng ke, dd cd 135 loai cay cd gid tri lam thude, 31 loai lam thuc pham, 22 loai lam gia dung, loai lam cdnh vd loai cho tinh ddti Dd xdc dinh loai thuc vdt cd gid tri bdo tdn theo Sdeh Dd Viet Nam (2007) la Cd na (Elaeocarpus hygrophilus) vd Lua trdi (Oryza ruflpogon) Dang sdng cua thuc vat duac chia Idm nhdm chinh la cay than thdo, cay bul, cay gd nhd, cdy go Idn, day leo vd bdn ki sinh Ddng thdi, ghi nhdn duac 11 kieu quan hpp thirc vpt cd d ven song Vdm Co Tdy Tir khda: Vam Cd Tay, thuc vat ven song, dat ng^p nuac, tai nguyen thuc v|t, tham thirc vat ABSTRACT Species composition and vegetation along the Vam Co Tay river Long An province The results of the study of species composition ami vegetation along the Vam Co Tay river recorded 205 species, 159 genera, 74 families belonging to two phyla of vascular plants Polypodiophyta and Magnoliophyta The plant resources were divided into five groups as follows: (I) medicinal plants with 72 species, (2) vegetables with 31 species, (3) household - used plants with 22 species, (4) ornamental plants with species, and (5) essential oU with I species Elaeocarpus hygrophilus and Oryza ruflpogon are listed for conservation in Vietnam Red Data Book (2007) Life forms ofplants were divided into sa groups including herbs, shrubs, small trees, big trees, lianas and hemiparasites Moreover 11 plant communities were identified along the Vam Co Tay river Keywords: Vam Co Tay,riparianplants, wertands, plant resources, vegetation I D^t van de Song Vam Co Tay la mot ttong hai nhanh ciia song Vam Co thuoc tinh Long An dai 185km, chay qua cac huyen Vinh Hung, thi xa KiSn Tuong, Moc Hoa, Tan Thanh, Thanh Hoa, Thii Thira, Tan An, Tan Tru va Chau Thanh _HVCH, Tru&ng D?i hoc Su pham TPHCM _ThS, ViSn Sinh hoc Nhiet ddi TS Truing Dai hpc Su pham TPHCM 60 Tap chi KHOA HOC DHSP TPHCM LeBd Khoa va tgk Song Vam Co Tay dugc xem la mot luu vuc a dong bang song Ciiu Long, la nai giao thoa ciia hai he thong song Dong Nai va song Me Kong nen da tao cac sinh canh thuc vat rat dac trung cho vung Dong Thap Muai The nhung, nhung nam gan day, dual ap luc cua su gia tang dan so ciing nhu anh huong ciia qua trinh biin d6i hau, cung vai su khai thac khong hgp li ciia nguai da gay tac dong nghiem d§n he thuc vat ven bo, nhieu sinh canh thuc vat tu nhien dugc thay xhk bai cac ao nuoi ca, dat canh tac hay cong trinh xay dung Nghien ciiu nhSm cung d p nhung dan lieu ve su da dang cua he thuc vat ven song Vam Co Tay ciing nhu gia tri tai nguyen cua no, giiip cac co quan quan li co co sa khoa hgc viec quy hoach, bao ton, sii dung va phat trien ben viing nguon tai nguyen thien nhien Phirong phap nghiSn curu J Ngoai th irc dia Tiin hanh di^u tra va thu mlu thuc vat vao dgt (thang 9, thang 10/2013, thang 3/2014) doc theo song Vam Co Tay; mau vat thu thap dugc chiip anh va xii II sa bg ngoai thuc dia bing dung dich alcohol 70 - 80%, kem theo ghi H lich mlu De xac dinh cac quln hgp thuc vat, sii dung phuang phap Braun - Blanquet (1964) Phuang phap Braun - Blanquet dua tren phan loai hien dien de xac dinh cac hgi doan thuc vat De dan gian viec khao sat thuc dia chung toi chgn mau voi kich thuoc tucmg d6i cho cac kilu tham thuc vat khac nhau: tieu chuan co kich thuac 10m X 20m d6i vai quSn hgp cay go va cay bui; Im x Im d6i vai quan hgp ddng CO Trong moi tieu chuan, tien hanh thu mau de xac dinh phan loai, mo ta cac dac diem cua tham thuc vat, ude lugng loai uu the 2.2 Trong phdng thi nghiem Xac dinh ten khoa hgc cac loai thuc vat theo phuang phap hinh thai so sanh tren CO sa cac tai lieu chuyen nganh va cac mau chuan dugc luu giu tai Bao tang Thuc vat thu6c Vien Sinh hgc Nhiet dai, dong thai phan chia dang song va cac nhom cay co gia tri tai nguyen dua vao ket qua thuc dia ket hgp vai cac tai lieu nhu: Cay co Viet Nam cua Pham Hoang Hg (1999 - 2003) [3], Cam nang tra ciiu da dang sinh vat ciia Nguyin NghTa Thin (1997) [6], Nhung cay thuoc va vi thuoc Viet Nam cua D6 T^t Lgi (2004) [5], Tu dlkn Cay thu6c Viet Nam ciia V6 Van Chi (2012) [2], Sach Viet Nam (2007) [1] Lap danh luc phan loai thuc vat theo each sap xep ciia Brummitt (1992) [7] Ket qua va thao luan 3.1 Da dang ve phdn loai Tir k6t qua diSu tra ngoai thuc dia kit hgp vaik^t qua phan tich phong thi nghiem da ghi nhan dugc phan loai thuc vat ven song Vam Co Tay co 205 loai, thuoc 159 chi, 74 hg, ciia nganh Thuc vat bac cao co mach la nganh Duong xi (Polypodiophyta) va Nggc Ian (Magnoliophyta) Trong do, nganh Duong xi c6 10 loai (chiim 4,9% tong s6 loai), chi (chiim 5,0% tong so chi), ho (chiem 9,5% tong s6 hg) la hg Rang la dira (Blachnaceae), Rau bg (Marsileaceae), Gat nai (Parkeriaceae), 61 Tap chi KHOA HOC DHSP TPHCM S6 61 nam 2014 Rang (Pteridaceae), Beo ong (Salviniaceae), Bong bong (Schizeaeeae) va Don (Thelypteridaceae); nganh Ngoe Ian co 195 loai, 151 chi, 67 ho Nhu vay, cd the khang dinh rang nganh Ngpc Ian chiem uu the ve tong so loai, chi va hp khu v\rc nghiSn cuu Phan tich sau hon ve nganh Ngpc Ian (Magnoliophyta) cho thay: lop Ngpc Ian (Magnoliopsida) chi6m uru thS voi 143 loai (73,3% tong s6 loai nganh Ngpc Ian), s6 chi la 109 (72,2% t6ng s6 chi), s6 hp la 49 (73,1% t6ng s6 hp); lop Mot la mim (Liliopsida) co ti le thjp hon, eo sfl loai la 52 (26,7% tong s6 loai), s6 chi la 42 (27,8% tong so chi), so hg la 18 (26,9% tong so hp) Nhu vay, 16p Ngoc Ian chiem uu the nganh Thuc vat hat kin va tham chi toan he thuc vat vung nghien cuu cap dp hp, 10 hp CO so lupng loai nhieu nhat vol 101 loai chiem 49,3% t6ng s6 loai toan he Trong do, hp co so lupng loai nhieu nhat phai ke den la hp Dau (Fabaceae) co 20 loai (chiSm 9,8% t6ng so loai); ke den la hp Hoa thao (Poaceae) vi ho Coi (Cyperaceae) co 14 loai (chiSm 6,8%); hp Cue (Asteraceae) va hp Bim bim (Convolvulaceae) co loai (chiem 4,4%); hp Thau dau (Euphorbiaceae), hp Ca ph^ (Rublaceae) va hp Hoa mom cho (Scrophulariaceae) moi hp eo loai (chi^m 3,9%)), ho Dau tam (Moraceae) co loai (chiem 2,9%)) va sau cung la hp Sim (Myrtaeeae) eo loai (chiem 2,4%)) d cip dp chi, CO 10 chi co s6 lupng loai nhiSu nhit la chi Coi (Cypertis) c6 loai (chito 3,4% tong s6 loai), kS dSn la chi Da (Ficus) co loai (chiSm 2,9%)); chi Khoai lang (//jomoeo) va chi Tram (Syzygium) ciing co loai (chiSm 1,9%)); cac chi c6 loai (chiem, 1,5%)) g6m: Bong bong (Lygodium), chi Bim (Merremia), chi Mic co (Mimosa), chi Diep chau (Phyllanthus), chi Lpc vimg (Barringtonia), chi Rau dira nucfc (Ludwigia), va ehi Thai lai (Commelina) 3.2 Ba dang ve dgng sdng eua thuc vat Theo each phan chia dang s6ng eiia Nguyin Nghia Thin (1997) [6], thi thuc vat vimg nghien ciiu dupe chia lam nhom dang s6ng chinh, la: cay than thao, cay bui, cay gS nho, cay gS Ion, day leo va ban ki sinh Trong do, nhom cay than thao (C) co 111 loai (chiem 54,2%o tong s6 loai), nhom g6m cac cay s6ng ven bai b6i, ven bo song dat thip im, hay cac vung dit ngap nude, tap trung chii ySu vao cac hp nhu hp Hoa thao (Poaceae), hp Coi (Cyperaceae), hp Cue (Asteraceae) TiSp dSn la nhom cay go ion (GL) va g6 nho (GN) lin lugt co 28 loai (chiim 13,7%) va 16 loai (chiim 7,8%), nhom gom cac cay s6ng o ven bcr song nhu hp Dao Ion hot (Anacardiaceae), hp Na (Annonaceae), hp True dao (Apocynaceae), hp Sim (Myrtaeeae), hp chile (Lecythidaceae) Nhom day leo (DL) co 27 loai (chiim 13,2%) chu yeu la cac hp Bim bim (Convolvulaceae), hp Bong bong (Schizeaeeae), hp Dau (Fabaceae), hp Day m6i (Menispermaceae) Nhom cay bui (B) co 21 loai (ehilm 10,2%)), nhom gap nhiiu a ven bo dit kho hay im tap trung chu yiu vao cac hg nhu hg Dau (Fabaceae), hp Mua (Melastomataceae), hp Cau dira (Arecaceae) Nhom ban ki sinh (BKS) co loai (ehilm 1,0%)), chii yiu tap trung vao cac hg Tim giii 62 Tap chi KHOA HOC DHSP TPHCM Le Bd Khoa va tgk (Loranthaceae) va ho Long nao (Lauraceae) Nhu vay, nhom cay than thao chiim ti trgng cao nhat (54,2%) so cac dang song hien co o khu vuc nghien ciiu, chiing khong chi gop phan lam gia tang tinh da dang cua he sinh thai thuc vat ven song ma dem lai gia tri sii dung cho nguai dan dja phuong, tham gia bao ve moi trucmg chong xoi mon va bien doi hau 3.3 Da dang ve gia tri tai nguyen cua thirc vat Gid tri sir dung: tai nguyen thuc vat co ich ciing dugc thong ke, s6 205 loai hien dien khu vuc nghien ciiu thi co den vai 195 (chiim 95,1%) loai cay co gia tri sii dung Trong do, co 135 loai (chiem 65,9% tong so loai) co gia tri lam thuoc, 31 loai (chiem 15,1%) cay lam thuc pham, 22 loai (chiem 10,7%) cay gia dung, loai (chiim 2,9%) cay lam canh, loai (chiem 0,5%) cho tinh dau Cac loai dugc nguoi dan s6ng ven song Vam Co Tay khai thac bien de lam canh nhu; Lpc viing {Barringtonia acutangiila), Chiec {Barringtonia conoidea), Si {Ficus benjamina) Sop {Ficus superba); sii dung lam thuc pham va lam thuoc chCra benh nhu: Choai {Stenochlaena palustris), Rau nhiit {Neptunia oleracea), Rau ma {Centella asiatica), hay khai thac l4y go dung x^y dung, dong cac diing gia dinh, tau thuyen, cho sgi de ben day, thung, lam mi nghe hoac lay ciii nhu: Mu u {Calophyllum inophyllum), Tram {Melaleuca cajupiitil), Tra lam chieu {Hibiscus tilliaceus) Son nuac {Gluta velutina), Luc binh {Eichhornia crassipes) Ngoai cac gia tn sii dung neu tren, nhieu loai thuc vat CO gia tri xii li lam sach moi truang gop phan khong nho viec dieu hoa va can bang m6i truang nuac nhu; Beo cam nho (Lemna minor), Beo cai {Pistia stratiotes), Beo tai chugt {Salvinia cucullatd) Say {Phragmites karka), Rau dira nuac {Ludwigia adscendens), Nghe {Polygonum tomentosum), Luc binh {Eichhornia crassipes) Gid tri ve nguon gen quy hiem: de co bien phap bao ve cac loai, viec quan trpng la danh gia cac miic dp de dpa ciing rat quan trgng, tir co chinh sach uu tien va bao ve hgp li Theo Sach Do Viet Nam (2007) a viing nghien ciiu co loai (chiem 1,0%) dugc xep vao danh luc cac loai thuc vat can dugc bao ton a thii hang Se, nguy cap(VU) la Ca na {Elaeocarpus hygrophilus) va Lua trai {Oryza ruflpogon) 3.4 Cdc kieu tham thtJtc vat vung nghien cuu Qudn hQfp Ban chua {Sonneratia casaeolaris): day la qu4n hgp dac trung cho viing ven song Vam Co Tay thi xa Tan An, huyen Thil Thira, huyen Thanh Hoa vai B&i chua {Sonneratia casaeolaris) la loai uu thi Ngoai xu§t hien cac loai mgc xen khac nhu; Dira nuac {Nypa fruticans), Mai dam {Aglaodorum griffithii), Tra lam chieu {Hibisciistilliaceus), ro trang {Acanthus ebracteattts), Choc gai {Lasia spinosa), Dira gal {Pandanus kaida) Qudn hap Dira nu&c {Nypa fruticans): xuat hien chii yeu a khu vuc huyen Tan An va Thii Thiia voi loai uu the la Dira nuac {Nypa fruticans), mgc xen c6 O ro tring {Acanthus ebracteatus) Ngoai co cac loai thuc vat khac tham gia nhu: Bin chua {Sonneratia casaeolaris), Diia gai {Pandanus kaida), Muap sat {Cerbera odollam), San nuac {Gluta velutina), Tra lam chieu {Hibiscus tilliaceus), Lgc viing 63 Tap chi KHOA HOC OHSP TPHCM S6 61 nam 2014 (Barringtonia acutangula), Trao trao (Excoecarta indica), Luc binh (Eichhornia crassipes) Day dugc xem la quan hpp kha da dang vl phin loai Qudn hpp Dira nude (Nypa fruticans) - Bdn chua {Sonneratia casaeolaris) - Tra Idm chiiu (Hibiscus tilliaceus): gap o huyen Tan Tru, Tan An, huyen Thii Thira voi loai chiim uu thi la Tra lam chilu (^Hibiscus tilliaceus), Dira nuac (Nypa fruticans) va Bin chua (Sonneratia casaeolaris), ciing vai cac loai khac nhu; Chun bau bin canh (Combretum tetralophum), Vult chua (Uncaria aeida) Son nuoc (Gluta velutina), M&t meo khing 16 (Mucuna gigantea), Luc binh (Eichhornia crassipes) Trong qua trinh thuc dia, chiing toi ghi nhan kieu quin hpp tren dupe gap chii yiu doan song thupc dia ban huyen Chau Thanh din huyen Thanh Hoa Vai su co mat eiia loai Bin chua, Diia nuoc, Muop sat, Tra lam chilu, ro trtag la nhihig loai dac trung cho viing nude Ip [4], chiing hinh canh quan dac sic cua tham thuc vat ven song Vam Co Tay, giii vai tro quan trpng viSc c6 dinh bai boi ven song va ching sat lo ba song Tuy nhien, qua trinh khai thac dit nong nghiep, xay dung nha cira nen dai tham thuc vat ven song day nho (chi rpng khoang - 10m tinh tir mep nude vao bcr), bi chia cat, co nguy eo bi pha huy Qudn hpp Dua gai (Pandanus kaida): quan hop ban ngap nuac tren dat am Loai Dira gai (Pandanus kaida) ehilm phan Ion sinh canh Mot s6 loai thirc vat khac mpc xen nhu; Chun biu bin canh (Combretum tetralophum), Chiec chiiy (Barringtonia conoidea) Son nuoc (Gluta velutina), Gao nuoc (Cephalanthus tetrandra), Vuot chua (Uncaria acida), Luc binh (Eichhornia crassipes), Mon nuoc (Colocasia esculenta) va Rau muong dimg (Ludwigia oetovalvis) Kieu quSn hpp gap rai rac dpc theo song Vam Co Tay tit huyen Tan Tru din huyen Mpc Hda Qudn hap Say (Phragmites karka): phan loai quan hap kha don gian gom mot sd loai nhu; Mdn nude (Colocasia esculenta), Luc binh (Eichhornia crassipes), Rau dira nude (Ludwigia adscendens), Rau trai (Commelina longlfolia), Co ong (Panicum repens) va Cd nga (Coix aquatic) Kieu quan hgp dugc gap a ven hit cua cac huyen Thanh Hda, Mgc Hda, thj xa Kien Tuong va huyen Vinh Hung Qudn hpp Mdn nude (Colocasia esculenta): day la kieu tham thuc vat gSp hiu het d nhung viing ban ngap nude va ngap nude, phan bo chii yeu dpc theo hai ven bcr dat im, bai bdi ngSp nude trilu len Mgc xen vdi Mon nude (Colocasia esculenta) cd cac loai thuc vat khac tham gia nhu: Luc binh (Eichhornia crassipes), Rau trai (Commelina longlfolia), Nghi (Polygonum tomentosum), Rau mac thon (Monochoria hastata), Vuot chua (Uncaria acida), Tra lam chieu (Hibiscustilliaceus), Dira nude (Nypa fruticans) va Mat meo khdng [o-(Mucuna gigantean) Qudn hap Nghe (Polygonum spp.); day la kieu tham thirc vat dac tnmg cho viing ngap nude thudng xuyen va viing chuyen tiep tir luu vuc len bd cao, cac loai chi Polygonum chiim im thi quin hgp Phin Idn la Nghi (Polygonum tomentosum), Nghe rau (Polygonum barbatum) mpc dam, tag timg hpi doan Nghi dgc theo hai ben bd sdng Ben canh cdn cd nhiiu loai cay than thao khac 64 Tgp chi KHOA HOC DHSP TPHCM LeBd Khoa vd tgk mgc xen nhu: Rau muong dumg {Ludwigia oetovalvis), Rau dira nuoc {Ludwidgia adcendens), Rau trai {Commelina longlfolia), Co ong {Panicum repens), Mon nuac {Colocasia esculenta), Luc binh {Eichhornia crassipes) Quan hgp hien dien chii yeu tren nhimg viing dat ngap va am quanh nam, vai tang biin kha day va phhn dinh duong cao, cac loai thuc vat co kha nang thich ling vai diiu kien s6ng ngap va ban ngap theo dinh ky Qudn hap Co ong {Panicum repens) - Nghi {Polygonum tomentosum) - Mon nuac {Colocasia esculenta): la kieu tham thuc vat tren vimg ngap nuoc va ban ngap nuac ven song Vam Co Tay, voi loai uu the la Co 6ng (Panicum repens), Nghi (Polygonum tomentosum) va Mon nuac (Colocasia esculenta) Con co mot s6 loai thuang gap quan hgp la: Rau muang diing (Ludwigia oetovalvis), Luc binh (Eichhornia crassipes), Co nga (Coix aquatic), Rau trai (Commelina longlfolia), Mai ducmg (Mimosa pigra) Qudn hap Luc binh (Eichhornia crassipes): kieu tham thuc vat hien dien tren viing ngap nuac quanh nam, phan Ian la nhiing noi nuoc diing, s6 lugng ca the day dac Mot so lo^i mpc xen thuang gap kieu la Mon nuoc (Colocasia esculenta), Co nga (Coix aquatic), Co ong (Panicum repens), Nghe (Polygonum tomentosum), Rau trai {Commelina longlfolia), Rau dira nuac (Ludwigia adscendens), Sam long (Cyclea peltata) Say (Phragmites karka) Luc binh sinh truang va phat trien manh vao mua kho, phii kin doan song tir huyen Thanh Hoa den thi xa Kien Tuang, anh huofng nghiem trgng den luu thdng ciia tau thuyen Quan hap Co nga (Coix aquatic): la quan hgp thuc vat ban ngap nuac vai Co nga (Coix aquatic) la loai uu the, so lugng nhieu va phat trien day dac cao tCr 30-40cm, co cao toi 70-80cm Dang quan hgp bat gap kha nhieu a viing ven song Vam Co Tay, cimg voi mot so loai khac mgc xen nhu: Mon nuoc (Colocasia esculenta), Nghe (Polygonum tomentosum), Rau muong diing (Ludwigia oetovalvis), Rau mac thon (Monochoria hastata), Co ong (Panicum repens), Luc binh (Eichhornia crassipes) Qudn hap Rau dira nuac (Ludwigia adscendens) Mon nuac (Colocasia esculenta) ~ Co nga (Coix aquatic): day cung la kieu tham hien dien tren viing ngap nuac quanh nam Loai uu the quan hgp la Rau dira nuoc {Ludwigia adscendens), Mon nuoc (Colocasia esculenta) va Co nga {Coix aquatic) ket hgp vol cac loai khac t^o be ndi c6 dinh nhu: Day vac (Cayratia trifolia), Mai dam (Aglaodorum griffithii), Rau muang diing (Ludwigia oetovalvis), Rau mac thon (Monochoria hastata) 65 Tap chi KHOA HOC DHSP TPHCM S6 61 ndm 2014 Ket luan Da ghi nhan dupe d khu vuc nghien cim cd 205 loai, thupc 159 chi, 74 hp, ciia nganh thuc vat bac cao cd mach la nganh Duong xi (Polypodiophyta) va Ngpc ian (Magnoliophyta) Da xac dinh dugc d khu vuc nghien ciru cd 195 loai thuc vat (chiem 95,l%o tong sd loai) cd gia tri su dung nhu: lam thuoc cd 135 loai (ehilm 65,9%)), 31 loai (ehilm 15,1%)) cay lam thuc phim, 22 loai (ehilm 10,7%o) cay gia dung, loai (chiim 2,9%) cay lam canh, loai (chiem 0,5%)) cay cho tinh diu Cd loai thuc vat eo gia tri bao tdn d thir hang Se nguy cap (VU) theo Sach Do Viet Nam (2007) la Ca na (Elaeocarpus hygrophilus) va Lua trdi (Oryza ruflpogon) Thuc vat ven sdng Vam Cd Tay dupe chia lam nhdm dang sdng chinh, dd la; cay than thao cd 111 loai (ehilm 54,2%o tdng so loai), gd Idn ed 28 loai (ehilm 13,7%), gd nhd cd 16 loai (chiem 7,8%)), day leo ed 27 loai (ehilm 13,2%o), cay bui cd 21 loai (chiem 10,2%o) va ban ki sinh cd loai (ehilm 1,0%)) Cd 11 kieu quan hgp thuc vat dugc ghi nhan a ven sdng Vam Cd Tay Sir xam lin cua loai Mai duong (Mimosa pigra) cung nhu su phat tan nhanh ciia Luc binh (Eichhornia crassipes) dang co chieu hudng gia tang, gay tac hai din moi trudng sdng ciia khu he dpng thuc vat, lam thay ddi cac kilu tham va can trd viec di Iji cua ngudi dan TAI UpJ THAM KHAO Bp Khoa hpc va Cong nghe, Vien Khoa hpc va Cdng nghe Viet Nam (2007), Sdch Dd Viet Nam, Phdn II Thuc vdt Nxb Khoa hpc tu nhien va Cdng nghe Ha Noi V6 Van Chi (2012), Tir diin cay thude Viet Nam, tap (1, 2), Nxh Y hpc, Ha Noi Pham Hoang Hp (1999-2003), Cdy cd Viet Nam, tap (1, 2, 3), Nxb Tre, TP H6 Chi Minh Phan Nguyen Hdng (chii bien), Trin Van Ba, Vien Ngge-Nam, Hoang Thi San, Vu Trung Tang, Le Thj Tri, Nguyen Hoang Tri, Mai SI Tuin va LS Xuan Tuin (1999), Rimg ngap man Viet Nam Nxb Nong nghiep Do Tat Lpi (2004), Nhimg cdy thude vd vi thude Viet Nam, Nxb Y hgc Ha Noi Nguyin Nghia Thin (2007), Cdc phuang phdp nghien ciru thuc vdt, Nxb Dai hgc Qudc gia Ha Noi Brummitt R K (1992), Vascular plant families and genera Royal botanical garden, Kew 66 Tap chi KHOA HOC DHSP TPHCM Le Bd Khoa vd tgk PHV LUC DANH LUC THl/C V^T VEN SONG VAM CO TAV, TINH LONG AN STT 10 11 12 13 14 15 16 17 18 19 20 21 TEN KHOA HOC TEN VIET NAM POPYPODIOPHYTA NGANH DU'ONG Ho Rang la dira Blechnaceae Stenochlaena palustris (Burm f.) Choai Marsileaceae Ho Rau bo Marsilea quadrifolia L Rau bo Parkeriaceae Ho Gat nai Ceratopteris siliquosa (L.) Copel Rang gat nai Pteridaceae Ho Rang Acrostichum aureum L Rang dai Salviniaceae Ho Beo ong Azolla caroliana Willd Beo dau muc Beo tai ehudt Salvinia cucullata Roxb Schizeaeeae Ho Bong bong Lygodiumflexuosum(L.) Sw Bong bong deo Bong bong leo Lygodium seandens (L.) Sw Lygodium microphyllum (Cav.) R Bong bong la nhd Thelypteridaceae HoDdn Cyclosorus interruptus (Willd.) H Rang chu quan gian NGANH NGOC MAGNOLIOPHYTA DICOTYLEDONAE LdP HAI LA Acanthaceae HoOro Acanthus ebracteatus Vahl ro trang Mam trang Avicennia alba L Hemigraphis brunelloides (Lam.) Bantu Amaranthaceae Ho Rau den Co xudt Achyranthes aspera L Alternanthera sessilis (L.) R.Br, ex Rau deu Den gai Amaranthus spinosus L Den com Amaranthiis viridis L Anacardiaceae Ho Dao Ion hot Gluta velutina Bi Son nude Annonaceae HoNa Annona glabra L Binh bat nude Apiaceae Ho Hoa tan Centella asiatica (L.) Urb Rau ma Apocynaceae Ho True dao Quynh anh Allamanda catharlica L DANG S6NG CONG DUNG C T, OD C T, TP c TP c TP, GD c c T c T C T GN GL C T.TD C C C C T,TP T T,TP T, TP DL C GL GN T C T,TP DL T,LC 67 SS 61 nam 2014 Tap chi KHOA HOC OHSP TPHCM 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 68 Cerbera odollam Gaertn Aquyfoliaceae Ilex cymosa Bi Asclepiadaceae Sarcolobus globosus Wall Tylophora tenuis BI Asteraceae Ageratum conyzoides (L.) L Centratherum punctatum Cass Eclipta prostrata (L.) L EnhydrafluctuansLour Eupatorium odoratum L Grangea maderaspatana (L.) Poir Synedrella nodiflora (L.) Gaertn Vernonia cinerea (L.) Less Wollastonia biflora (L.) DC Bignoniaceae Dolichandrone spathacea (L.f.) Boraginaceae Heliotropium indieum L Campanulaceae Sphenoclea zeylanica Gaertn Capparaceae Crateva religiosa G.Forst Cleome chelidonii L.f Clusiaceae Calophyllum inophyllum L Combretaceae Combretum tetralophum C.B.Clarke Convolvulaceae Aniseia martinicensis ( Jacq.) Choisy Bonamia semidigyna (Roxb.) Hallier Ipomoea aquatica Forssk Ipomoea cheirophylla O'Donell Ipomoea maxima Don ex Sweet Ipomoea violacea L Merremia hederacea (Burm f.) Merremia hirta (L.) Merr Merremia tuberrosa (L.) Rendle Cucurbitaceae Gymnopetalum chinense (Lour.) Luffa cylindrica (L.) M.Roem Zanonia indica L Mudp sat Ho Bid Bill tu tan Ho Thien li Day cam Dau dai manh HoCiic Co hoi, cd cut ign Cue soi tim Cd nhp ndi, ed muc Rau ngo Cdlao Rau cdc Boxit Bach dau dng Son cue hai hoa Ho Quao Quao nude Ho Vdi voi Vdi voi Ho Hoa chuong Xa bong Ho Bach hoa Bun Man man tim HoBu-a Miiu Ho Chun biu Chun bau bon canh Ho Bim bim Bim nude Bdnam Rau muong Bim tay Bim nhd Bim Bim vang Bim long Bimcil Ho Bau bi Cirt qua Mudp Thiet bat, Luc lac GN T GN GD DL DL T T C C C C C T c c c c T T,TP T T T,PX T T GL T C T C T,TP GL C T,TP T GL T B T DL DL DL DL DL DL DL C DL T C DL' DL T, TP T LC T,TP T T T,TP T T Tap ch KHOA HOC DHSP TPHCM 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 Li Bd Khoa va tgk Ho Dau Dipterocarpaceae Hopea odorata Roxb Sao den Ho Com Elaeocarpaceae Elaeocarpus hygrophilus Kurz Cana Elaeocarpus harmandii Pierre Com harmand Euphorbiaceae Ho Thau dau Antidesma ghaesembilla Gaerta Choi moi Cd sira la idn (Vu Euphorbia hirta L Cd siia la nho Euphorbia thymifolia L Exeoecaria indica (Willd.) Trao trao Glochidion littorale Blume Bgt ech bien Phyllanthus amarus Schumaeh & Diep chau dang Phyllanthus reticulatus Poir Phen den Phyllanthus urinaria L Chdde Fabaceae Ho Dau Acacia auriculiformis Benth Keo bong vang Diep xoan Caesalpinia crista L Dau cd bien Canavalia cathartica Thouars Dau budm Centrosema pubescens Benth Dau biee hoa tim Clitoria mariana L Derris indica (Lam.) Bennet Nim, day lim Derris trifoliata Lour Cdc ken nude Intsia bijuga (Colebr.) Kuntze Go nude Leucaena leueocephala (Lam.) de Keo giau, bo chet Macroptilium lathyroides (L.) Urb Dau dieu Trinh nii moc Mimosa invisa Colla Mai duong Mimosa pigra L Trinh nii Mimosa pudica L Mat meo Mucuna gigantea (Willd.) DC Rau nhut Neptunia oleracea Lour Muong trau Senna alata (L.) Roxb Muong tay Senna occidentalis (L.) Link Dien dien hoa vang Sesbania cannabina (Retz.) Pers Dien dien Sesbania sesban (L.) Merr Vigna adenantha (G.Mey.) Marechal Dau hoa tuyen HQ Miing qu^n Flacourtiaceae Cha ran long day Homalium tomentosum Benth Ho Hting Lamiaceae Hyptis rhomboidea M.Martens & E idn dau Ocimum basilicum L Hung que Lauraceae Ho Long nao Cassytha filiformis L Toxanh Lecythidaceae Hg Chile GL GD GL GL T,TP GL C C GL B C B C T,TP T T GD T T T T GL GN DL DL C GL DL GL C C C C C DL C B B B B DL T T LC LC T T, GD T T, GD T T T R T T T T, TP LC GL C B T T BKS T So 61 nam 2014 Tap chi KHOA HOC DHSP TPHCM 89 90 91 92 93 94 95 96 97 • 98 99 100 101 102 103 104 105 106 107 108 109 110 Hi 112 113 114 115 116 117 118 119 120 70 Barringtonia acutangula (L.) Barringtonia conoidea Griff Barringtonia racemosa (L.) Spreng Lentibulariaceae Utricularia aurea Lour Loranthaceae Dendrophtoe pentandra (L.) Miq Lyfhraceae Ammannia baccifera L Lagerstroemia speciosa (L.) Pers Rotala hexandra Wall, ex Koehne Sonneratia casaeolaris (L.) Engl Malvaceae Abelmoschus moschatus Medik Hibiscus tilliaceus L Urena lobata L Melastomaceae Melastoma affine D.Don Melastoma imbrieatum Wall, ex Meliaceae Aglaia cucullata (Roxb.) Pellegr Menispermaceae Cocculus orbiculatus (L.) DC Cyclea peltata (Lam.) Hook.f & Tiliacora racemosa Colebr Tinospora sinensis (Lour.) Merr Molluginaceae Mollugo pentaphylla L Moraceae Ficus benjamina L Ficus heterophylla L.f Ficus hirta Vahl Ficus microearpa L.f Ficus religiosa L Ficus superba Miq Myristicaceae Horsfieldia irya (Gaertn.) Warb Myrtaeeae Melaleuca ca/uputl Powel Syzygium cinereum (Kurz) Syzygium cumini (L.) Skeels Syzygium jambos (L.) Alston Syzygium samarangense (Blume) Lpc vimg Chiec chiiy Chiec chiim HQ Nht can Nhi can vang HQ Tam giri Mocki Hg Bing ling Mill chd nhieu trai Bing lang nude Luan thao Ban chua Hg Bdng Bup vang Tra lam chieu Ke hoa dao HgMua Muoi da hiing Mudi dng Hg Xoan Dai ngua nude Hg DSy moi Day xanh, moc Day sam long Day suong sam Day dau xuong Hg Co binh cu Cd Binh cu Hg Dau tam Xanh, Si Viibd Ngaikhi Gira Bode Sop Ho Nhuc dau khau Xang mau HgSim Tram Tram se Tram simg Li Man hoa trang GL GN GL T LC T C BKS C GL C GL T,TP C GL B T GD T T T B GN GN T DL DL DL DL T T T T C T GL C GN GL GL GL T T T T TP, LC GN GL GL GL GN • GN T, TP, T, T, T Tap chi KHOA HQC OHSP TPHCM 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 Li Bd Khoa va tgk Onagraceae Ho Rau mirffng Ludwigia adscendens (L.) H.Hara Rau dira nude Ludwigia oetovalvis (Jacq.) Rau muong dung Ludwigia hyssopifolia (G.Don) Exell Rau muong thon Passifloraceae Ho Nhan long Passiflora foetida L Nhan long Piperaceae Hg Ho tieu Peperomia pellucida (L.) Kunth Cang eua Polygonaceae Ho Rau ram Polygonum barbatum L Nghe trang, nghe rau Polygonum tomentosum Willd Nghe Portulacaceae Ho Sam Portulaea oleracea L Rau sam Primulaceae Ho Anh thao Ardisia humilis Vahl Com ngudi Rhizophoraceae Ho Dirdc Bruguiera sexangula (Lour.) Poir Vet den Rhizophora apiculata Blume Dude doi Rubiaceae Ho Ca phe Cephalanthus tetrandra (Roxb.) Gao nude Gardenia Jasminoides J Ellis Danh danh Nhau Morinda citrifolia L Morinda persicifolia Buch.-Ham Nhau nude Oldenlandia diffusa (Willd.) Roxb Bach hoa xa thiet Paederia consimilis Pierre ex Pit Mo long Paederia foetida L Thui dich Uncaria acida (Hunter) Roxb Vuot chua Rutaceae Ho Cam Euodia lepta (Spreng.) Merr Ba chae Scrophulariaceae Ho Hoa mom cho Vimg dat Artanema longifolium (L.) Vatke Bacopa monnieri (L.) Wettst Rau dang bien Man dat Lindernia antipoda (L.) Alst Lindernia Crustacea (L.) F Muell Lit dang can Lindernia viscosa (Homem.) Merr Lit dang trin Limnophila aromatica (Lam.) Merr Om Cam thao nam Scoparia dulcis L Td hen ray Torenia polygonoides Benth HoCa Solanaceae Physalis angulata L Thil lii canh Verbenaceae Ho Co roi ngira Clerodendrum inerme (L.) Graertn Vang hdi Gmelina asiatica L |Tuhii C C C T T T DL T,TP C T, TP C C T T C T GN T GL GL T,GD GN B GN B C C DL DL T T,TP T T LC T T B T C C C C C C C C T T,TP T T c T B B T T T T 71 S3 61 nam 2014 Tap chi KHOA HQC DHSP TPHCM 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 72 Premna serratifolia L Vitaceae Cayratia trifolia (L.) Domin MONOCOTYLEDONAE Alismataceae Sagittaria sagittifolia L Amaryllidaceae Crinum asiatieum L Araceae Aglaodorum griffithii (Schott) Schott Colocasia esculenta (L.) Schott Lasia spinosa (L.) Thw Pistia stratiotes L Arecaceae Caryota mitis Lour NypafruticansWurmb Commelinaceae Commelina communis L Commelina diffusa Burm.f Commelina longlfolia Lam Cyperaceae Cyperus brevifolius (Rottb.) Hassk Cyperus compactus Retz Cyperus elatus L Cyperus malaccensis Lam Cyperus pilosus Vahl Cyperus platystilis R Br Cyperus pulcherrimus Willd.ex Eleocharis dulcis (Burm.f) Trin ex Fimbristylis miliacea (L.) Vahl Fuirena umbellata Rottb Lepironia articulata (Retz.) Domin Scirpus mucronatus L Scleria eiliaris Nees Scleria poiformis Retz Dioscoreaceae Dioseorea glabra Roxb Flagellariaceae Flagellaria indica L Heliconiaceae Heliconia psittaeorum L.f Lemnaceae Lemna minor L Cach HgNho Day vac LCKP MOT LA Hg Trach ta Rau mac Hg Loa ken Chudi nude Ho Ray Mdi dam Mdn nude Choc gai Beo cai Ho Cau dira Dung dinh Dira nude Hg Thai lai Trai thudng Thai lai trang Trai la dai HoC6i U du than ngan Lac ba dao Udu Lac nude Cdi bong Lac vol dep Lac d?p Nang ngot Cd chae Cd dang tan Cdbang Hoang thao mGi Cutmg ria Dung Ho Cu nSu Khoai rang Ho May nirdc May nude Ho Chuoi phao Mdket Ho Beo cam Beo cam nhd GN T DL T C T,TP B T C C C C T,TP T,TP T T,PX B B LC TP,GD C C T c c c c c c c c c c c c c c c GD c T,TP DL T,GD C LC C T Tap chi KHOA HQC DHSP TPHCM 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 Le Bd Khoa va tgk Ho Ne thao Limnocharitaceae Limnocharis flava (L.) Buehenau Keo neo Hg Dong Marantaceae Schumannianthus dichotomus Liin nude Pandanaceae Ho Dira Pandanus kaida Kurz Dua gai Fhilydraceae Hg Co dudi Ivon Philydriim lanugtnosum Banks & Diia bep Poaceae Hg Hda thao Bambusa blumeana SehuU.f Tre gai Brachlarla mutica (Forssk.) Stapf Cd long Coix aquatica Roxb Conga Cynodon dactylon (L.) Pers Cdchi Echinoehloa colona (L.) Link Cd long vuc can Echinochloa crus-galli (L.) P.Beauv Cd long vuc Hemarthria longiflora (Hook.f) Cd bap, cd ban tiet Hygroryza aristata (Retz.) Nees ex Cd chan vit Wight & Am Hymenaehne amplexleaulis (Rudge) Cd mom mo Cd dudi phung Leptochloa chinensis (L.) Nees Oryza ruflpogon Griff Luatrtri Cddng Panicum repens L Phragmites karka (Retz.) Trin ex Say Steud Saccharum arundinaceum Retz Lau, Cd may Ho Luc binh Pontederiaceae Eichhornia crassipes (Mart.) Solms Luc binh Rau mac thon Monochoria hastata (L.) Solms Monochoria vaginalis (Burm.f) Rau mac bao Hg Hoang dau Xyridaceae Hoang dau an Xyris indica L HgGihig Zingiberaceae Re Catimbium latilabre (Ridl) Holtt Ghi chii: DaDg song; Cdng dung: C: Co B: Bui GL: G6 Ion GN: Go nho BK: Ban ki sinh GD: Gia dung T: Thulc CC:Chocui TP: Thirc phim PX: Phan xanh C TP B GD B T, GD C T B C C C C C C C T T T C c c c c T TP T c T c c c T T c B TP.GD DL: Day leo LC: Canh TD: Tinh diu (Ngiy Tda so^n nh$n duac bii: 14-7-2014: phdn bi0n dinh gid 04-B-2014: ngiy chip nh$n iSng: 20-8-2014) 73 ... ngoai thuc dia kit hgp vaik^t qua phan tich phong thi nghiem da ghi nhan dugc phan loai thuc vat ven song Vam Co Tay co 205 loai, thuoc 159 chi, 74 hg, ciia nganh Thuc vat bac cao co mach la nganh... quln hgp thuc vat, sii dung phuang phap Braun - Blanquet (1964) Phuang phap Braun - Blanquet dua tren phan loai hien dien de xac dinh cac hgi doan thuc vat De dan gian viec khao sat thuc dia... kilu tham thuc vat khac nhau: tieu chuan co kich thuac 10m X 20m d6i vai quSn hgp cay go va cay bui; Im x Im d6i vai quan hgp ddng CO Trong moi tieu chuan, tien hanh thu mau de xac dinh phan loai,