KHOA HOC CONG NOHl

D A DAIVG THAIMH PHAIM LOAI HO OAU () O PHIA IMAM HUYEIM TIIMH GIA, THAIMH HOA Dau BaThin1, Le Van Do2

t 6 m t At Bai bao niy gidi thidu mpt so kdt qua nghien cuu vd ho Dau a phia nam huyen Tinh Gia, Thanh Hoa tir nam 2012 ddn 2013, da c6 91 loai va dudi loai thuoc 41 chi cua ho Dau dupe xac dinh. Trong do, Dalbergia va M illettia la 2 chi giau loai nhat vdi 9 loai, tidp ddn la chi Bauhinia co 8 loai, chi Acacia co 6 loai, cac chi khic c6 sd lupng tir 1 ddn 4 loai. Vd gia tri su dung: cd 41 loai cd gia tri lam thudc; 16 loai cho gd; 5 loai an dupe; 18 loii lam phan xanh; cay cho doc vdi 3 loai; cay lam canh va cho tanin cung vdi 2 loai. Hp Dau d phia nam huyen Tinh Gia mang tinh chat nhiet ddi didn hinh bdi yeu to dia ly nhiet ddi chau A chidm ti le cao nhit (68,13%), tidp ddn la ydu to dia ly dac huu va gan dac huu Viet Nam (14,28%). Vd dang song, chu ydu thuoc nhom cay choi trdn vdi 82 loai va dudi loai (chidm 90,11%). Tir khda: Da dang, h o D iu, Tinh Gia, Thanh Hda, yeu to dia ly.

1.M VBilU Toan bo cac miu vat thuoc hp Dau tai khu vuc Trong cac hp cay d nuoc ta cung nhu tren the nghien cuu, mdi cay dupe thu tir 3 ddn 5 miu. Miu gioi, hp Dau (Fabaceae) la mot trong nhung hp Ion duoc xu ly va lun trir tai Bao tang Thuc vat Khoa va pho bien. O cac khu rimg nhiet doi co khoang Sinh hpc - Dai hpc Vinh. 18.000 loai cay thuoc ho Dau. Tren ca sd nhung 2.2. Phuong phap nghien cuu cong trinh nghidn ctru trong nude va tren the gidi Thu miu, xu ly miu: Tidn hanh thep phuong da cong bo gan day, Nguyen Nghia Thin (1997) da phap thong dung hien hanh (Nguyen Nghia Thin, thdng k6 cac ho da dang nhat cua he thuc vat Viet 1997 [8]), cong viec nay duoc tien hanh nhieu dpt tir Nam, trong dd ho Dau cd 400 loai va dudi loai, chi nam 2012 den nam 2013. dung sau hp Lan (Orchidaceae) vdi 800 loai va dudi loai va hp Thau dau (425 loai va dudi loai) [7]. Dia diem va cac tuyen thu miu: tai c lc xa phia nam cua huyen Tinh Gia (gdm: Tan Trudng, Phu Hq Dau cung la mot trong nhung hp phuc tap nhat San, Trudng Lam, Nghi Son, Hai Thuong, Tiing bap gdm day du cac dang song tir cay gd ldn den Lam). cay than thao hay day leo. Nhieu loai cay trong cac hp nay cd y nghia ldn, cd nhieu gia tri sir dung Xac dinh ten khoa hoc: Su dung phuong phap khac nhau nhu cho gd, lam thudc, lam canh, lam hinh thai so sanh va dua vao cac khoa dinh loai, cac thuc Sn... ma con cd y nghia ddi vdi ddi song con ban mo ta trong cac tai lieu: Cay cd Viet Nam cua ngudi. Pham Hoang Ho (1999) [5] va cac tai lieu lien quan khac. Chinh ly ten khoa hoc va sip xep danh luc Vi vay, viec nghien cuu va phat trien cac loai thuc vat theo tai lieu Danh luc cac loai thuc vat Viet thuc vat hp Dau cung nhu toan bo cac loai trong he Nam cua Nguyen Tien Ban va nnk (2003) [2] va thuc vat cang trd nen cap thiet hon, tir dd, dua ra mot Vascular fam ilies and genera cua Brummitt R. sd din lieu ve ho Dau de lam ca sd cho viec khai thac K (1992) [3J. va sir dung hap ly ngudn tai nguyen thien nhien d khu vuc nghien cuu. Trong bai bao nay, chung toi Danh gia tinh da dang ve ydu to dja ly theo cung cap them mot sd ket qua nghien ciru cap nhat Nguyen Nghia Thin (2008) [9], gia tri su dung ve da dang ho Dau d phia Nam huyen Tinh Gia, theo Vo Van Chi (2012) [4], Trieu Van Hung Thanh Hda. (2007) [6],..., dang song theo Raunkiaer (1934) 2. VAT UlU VA PMIONG PHAP NGHtN CUU [7]. 2.1. V$t li£u 3. KET QUA IMNEN CUU VA THAO LUAN 3.1. Thanh phan loai hp D|u (Fabaceae) d phia nam huyen Tinh Gia, Thanh Hda 1 Dai hpc Hong Due 2 Khoa Sinh, Dai hpc Vinh

NONG NGHIEP VA PHAT TRIEN NONG THON -KY 2 -THANG 6/2014 53 KHOA HOC CONG NgHl

Qua di£u tra, phan loai da xac dinh duac 91 loai tim thay co s6 luong tu 1 d&i 9 loai; k « qua dirge va duoi loai cua ho Dau (Fabaceae) gom 41 chi thuoc trinh bay tai bang 1. 3 phan ho co mat tai vung nghien cuu, cac chi duoc

Y£u to Dang Giatii sir TT Ten khoa hpc Ten Viet Nam dia ly song dung I Caesalpinioideae Phan hp Vang Bauhinia glauca ssp. tenuiBora (Watt ex C.B.Clarke) Mong bo moc 4 Lp K & S. Larsen Bauhinia godefroyi Gagnep. Mong bo gode 4.5 Lp Bauhinia lakhonensis Gagnep. Mong bo la khon 4.5 Lp M Bauhinia omata Kurz Mong bo dien 4.3 Lp Bauhinia omata war. balansae (Gagnep.) K & S. Larsen Day go 6 Lp Bauhinia oxysepala Gagnep. Mong bo dai nhon 6 Lp Bauhinia penicilliloba Pierre ex Gagnep. Mong bo but long 4.5 Na M Bauhinia saigonensis Pierre ex Gagnep. Mong bo nhi dai 6 Lp Fe Caesalpinia latisiliqua (Cav.) Hattink Vau dieu 4 Lp Caesalpinia mimax Hance Vuot hum 4.2 Lp M Cassia javanica ssp. agn es (De Wit) K Larsen Bp cap dong 4 Me M.T.Or Erythrophleum fordii Oliv. Lim xanh 4.4 Mg M.T.Tn Gleditsia fera (Lour.) Merr. Chum ket 4.1 Mi M Gleditsia pachycarpa BaL ex Gagnep. Bo ket qua day 6 Mi Peltophorum dasyrrachis (Miq.) Kurz Hoang linh 4.1 Mg Fe,M,T Senna alata (L.) Roxb. Muong trau 7 Na M Senna hirsuta (L) Irwin & Bameby Muong long 7 Na M Senna siamea (Lamk) Irwin & Bameby Muong den 2 Me Fe,M,T Senna tora (L.) Roxb. Muong lac 7 Th M tonkinensis A. Chev. ex K & S. Larsen Gu lau 4.5 Mg M,Tn Tamarindus indica L. Me 7 Me Fe,M II Faboideae Phan ho Dau Abruspulchellus ssp. m ollis (Hance) Verde. Day cam thao gi 4.1 Lp M sat Amphicarpa edgeworthii Benth. Song qua 5.4 Th M Bowringia callicarpa Champ, ex Benth. Day banh nem 4.1 Lp M Cajanus scarabaeoides{ L) Thouars Binh dau 4 Lp Fe.M Callerya cinerea (Benth.) Schot Than mat tro 4.2 Lp Callerya euriobotrya (Drake) Schot Day lang 4.2 Lp M Callerya reticulata (Benth.) Schot Ke huyet ding 5.4 Lp M Canavalia cathartica Thouars Dau dao 4 Th Fe.Mp Crotalaria medicaginea Lamk Luc lac la muc tuc 4.3 Ch Crotaloria pallida Ait. Luc lac ba la tron 2 Th Fe,M Dalbergia assamica Benth. var. laccifera (Eberth. & Co khet qua hep 6 Me T Dubard) Niyomdham Dalbergia dyeriana Prain ex Harms Trie dyer 6.1 Lp Dalbergia entadioides Pierre ex Prain Trie bam bam 4.5 Lp Dalbergia hom'dawar. glabrescens (Prain) Mabb. Trie nhieu hoa 4.2 Lp M Dalbergia lanceolaria Li. var. lakhonensis (Gagnep.) Trie mui giao 4.3 Me M.T

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__ Phamh. ^ Dalbergia olivieri Gamble ex Prain Cam lai 4.3 Mg T Dalbergia ovata Grah. ex Benth. Trac trung 4.3 Me Dalbergia polyadelpha Prain Song la 6.1 Me M Dalbergia tonkinensis Prain Sira 6.1 Me T Derris eliptica (Roxb.) Benth. Day mat 4 Lp M,Mp Derris ferruginea (Roxb.) Benth. Coc ken gi set 4.2 Lp M Derris marginata (Roxb.) Benth. Coc ken bia 4.2 Mi Desmodiwn heterocarpon (L.) DC. Thoc lep di qua 3.1 Ch Fe,M Desmodium strigillosum Schindl. Thoc lep long rap 4.3 Ch M Desmodium styracifolium (Osbeck) Merr. Vay rong 4 Hp Fe,M Thoc lep long 4 Na Fe,M Desmodium velutinum (Willd.) DC. nhung Erythrina stricta Roxb. Vong nem hoa hep 4.3 Me Or Flemingia lineata (L) Roxb. ex Ait f. Top mo hep 4 Na Galactia laotica Thuan Nhu thao lao 4.5 Lp Nhu thai cuong 4.5 Fe Galactia longipes Gagnep. Lp dai Indigofera zollingeriana Miq. Cham la nhon 4.1 Mi Fe Lens culinaris Medik. Thiet dau 3.2 Th F M illettia brandisiana Kurz Than mat brandis 4.3 Mi Millettia cinerea (Benth.) Schot Than mat tro 4.2 Lp Millettia coerulea Baker Than mat lam 4.3 Mi M illettia diptera Gagnep. Than mat hai canh 4.2 Me Millettia pachyloba Drake Than mat thuy day 6.1 lp M M illettia penduliformis Gagnep. Than mat qua lac 4.5 lp Than mat gan co 4.3 Mi T M illettia pubinervis Kurz long Millettia pulchra (Colebr. ex Benth) Kurz Bach chi nam 4.2 Mi M Millettia sericea (Vent) Wight & Am. Than mat long to 4.1 Ip Mucuna bracteata Kurz Dau meo la bac 4.2 Ip Fe Mucuna revoluta Wilmot-Dear Dau moc 4 Lp Fe Ormosia merrilliana L. Chen Rang rang merrill 7 Me T Ormosia semicastrala Hance Rang rang la rai 6.1 Me T Ormosia tonkinensis Gagnep. Rang rang Bac Bo 6 Mi Phylacium majus Collett & Hemsl. Hop hep 4.4 Lp Phyllodium vestitum Benth. Vay te te phu 4.1 Na M Placolobium crassivaJve (Gagnep.) YakovL Tram bia 6 Me T Pueraria montana (Lour.) Merr. San day rung 4.1 Ip Fe,M Pueraria montanun var. chin en sis (Ohwi) Maesen San day 4 Lp Ed,M Pueraria pbaseoloidesvar. javanica (Benth.) Baker Dau ma Java 4.1 Lp Fe Sophora tonkinensis Gagnep. Hoe bac bo 4.4 Mi M Tephrosia vogeliiYiook. f. Cot khi long vang 7 Na Fe Uraria /ace/Craib Duoi chon lace 4.3 Mi Uraria rufescens (DC.) Schindl. Duoi chon hoe 4 Na M Vigna unguiculata (L.) Walp. subsp. s esquipedalis Dau dua 4 Th Ed

NONG NGHIEP VA PHAT TRIEN NONG THON - KY 2 - THANG 6/2014 55 KHOA HOC <6N» N W l

(L.) Verde. III Mimosaceae Phan hp Trinh nu Acacia aurisculiformis A Cunn. ex Benth Keo tai tupng 7 Mi T Acacia caesia (L) WilL var. subnuda (Craib) I. Keo cat 4 Na M Nielsen Acacia concinna (Willd.) DC. Keo la me 4 Na Ed.M Acacia melagadena Desv. Keo tuydn to 4 Lp Mp Acacia pruinescens Kurz Keo phan 4.3 U> Acacia vietnamensisl. Nielsen Keo Viet Nam 4.5 Na Adenanthera microspermaTeysm. & Bina Chi chi 4 Mg M.T Albizia vialenca Pierre Ket 4.5 Me Archidendron chevalieri (Kostem) L Nielsen Man dia chevarlia 4.4 Me T Archidendron eberhardiiX. Nielsen Man dia ebenrhar 6.1 Me T Enterolobium cyclocarpum Qacq.) Griseb. Pheo heo 7 Me Ed,M Mimosa pigra L. Trinh nu nhon 7 Na Mimosa pudica L. Mac ca 7 Na M Ghi chu: M g: Cay chdi tren rat ldn; M e: cay choi tren ldn; M i: cay choi tr£n vira; Na: cay choi tren Jun; Lp: nhom cay than leo; Hp: cay choi tren than thao; Ch: nhom cay choi m$t dat; Th: nhom cay choi 1 nim . 3.2. Su phan bd load trong c i c chi loai la Callerya, Derris, Ormosia, Pueraria chidm 3,30%. Chi co 2 loai la Archidendron, Caesalpinia, Trong 3 phan ho cua Fabaceae, da thong ke va Crotalaria, Galactia, Gleditsia, Mimosa, Mucuna, chi ra dupe su phan bd loai trong cac chi co su khac Uraria (2,20%), co 23 chi chi co 1 loai (chidm 1,10%) nhau, cu thd dupe trinh bay tai bang 2. do la cac chi Abrus, Adenanthera, Albizia, Trong so 41 chi d khu vuc nghien cuu, so lupng Amphicarpa, Bowringia, Cajanus, Canavalia, Cassia, loai trong mdi chi la khong deu nhau, cu the: Enterolobium, Erythrina, Erythrophleum, Flemingia, Dalbergia, M illettia la nhung chi da dang nhat tai Indigofera, Lens, Peltophorum, Phylacium, khu vuc nghien cuu voi 9 loai (9,8996), chi Bauhinia Phyllodium, Placolobium, Sindora, Sophora, co 8 loai (8,79%), A cacia co 6 loai (6,59%), co 2 chi Tamarindus, Tephrosia, Vigna. cung co 4 loai (4,40%) la D esm odium , Senna; chi co 3

Su phan bd loai Chi Sd lupng Ty le(%) Dalbergia, M illettia 9 9,89 Bauhinia 8 8,79 A ca cia 6 6,59 Desmodium, Senna 4 4,40 Callerya, Derris, Ormosia, Pueraria 3 3.30 Archidendron, Caesalpinia, Crotalaria, Galactia, Gleditsia, Mimosa, Mucuna, 2 2J20 Uraria Abrus, Adenanthera, Albizia, Amphicarpa, Bowringia, Cajanus, Canavalia, Cassia, 1 1,10 Enterolobium, Erythrina, Erythrophleum, Flemingia, Indigofera, Lens, Peltophorum, Phylacium, Phyllodium, Placolobium, Sindora, Sophora, Tamarindus, Tephrosia, Vigna 3.3. Da dang vd ydu to dia ly thuc vat thuoc ho Dau d phia nam huyen Tinh Gia, Thanh Ap dung he thdng phan loai cac ydu to dia ly Hda, ket qua duoc the hien theo bang 3. theo Nguydn Nghia Thin (2008) [9], da xac dinh Bang 3 cho thay, yeu to nhiet ddi chau A chidm dupe su phan bd yeu to dia ly cua 91 loai va duoi loai ty le nhidu nhat 68,13% tuong ung 62 loai va duoi loai.

56 NONG NGHIEP VA PHAT TRIEN NONG THON - KY 2 - THANG 6/2014 KHOA HOC C6WO HOH j

ti£p ddn ydu 16 dac him v i can dac huu Viet Nam 13 loai: Bauhinia omata var. balansae (Gagnep.) K & S. loai (chidm 14,28%), ydu 16 Cd nhiet ddi, Lien nhiet Larsen, Bauhinia oxysepala Gagnep., Bauhinia ddi va On ddi Bac chidm ti le nhu nhau (2,20%). Ydu saigonensis Pierre ex Gagnep., Gleditsia pachycarpa 16 ck y trdng chidm mot ti le dang k i vdi 10,99%. Dieu Bai. ex Gagnep., Dalbergia assamica Benth. var. dd chung minh cho tinh doc dao cua hp Dau d phia la ccifera (Eberth. & Dubard) Niyomdham, Orm osia nam huyen Tinh Gia, Thanh Hda dac trung cho khu tonkinensis Gagnep., Placolobium crassivaJve he thuc vat nhiet ddi Viet Nam. Trong dd, cac yeu to (Gagnep.) Yakovl. dac huu Viet Nam la 7 loai (chiem 7,69%) bao gom cac Bing 3. Ydu td dia ty cua c ic o il trong ho Diu (Fa jaceae) Ky Ty le Cac ydu to dia ly Sd loai Ty le (%) Sd loai hieu (%) Toan thd gioi 1 0 0 0 0 Lien nhiet ddi 2 2 2,20 Lidn nhiet ddi Nhiet ddi chau A, chau Uc, chau Ml 2.1 0 0 2,20 Nhiet ddi chau A, chau Phi va chau My 2.2 0 0 2 Nhiet ddi chau A va chau My 2.3 0 0 Cd nhiet ddi 3 0 0 Cd nhiet ddi Nhiet ddi chau A va chau Uc 3.1 1 1,10 2,20 Nhiet ddi chau A va chau Phi. 3.2 1 1,10 2 Nhiet ddi chau A 4 17 18,68 Ddng Duong - Maldzi 4.1 9 9,89 Nhiet ddi chau A Luc dia chau A nhiet ddi 4.2 10 10,99 68,13 Luc dia Ddng Nam A 4.3 12 13,19 62Ddng Duong - Nam T.Quoc 4.4 4 4,40 62Ddng Ddng Duong 4.5 10 10,99 On ddi Bac 5 0 0 DongA-Bac My 5.1 0 0 On ddi bac On ddi cd the gioi 5.2 0 0 2,20 On ddi Dia Trung Hai-Chau Au-Chau A 5.3 0 0 2 Ddng A 5.4 2 2,20 Dac huu Viet Nam 6 7 7,69 Dac huu Viet Nam 14,28 Can dac huu Viet Nam 6.1 6 6,59 13 Cay trdng 7 10 10,99 10 10,99 Tong 91 100 91 100 3.4. G ii tri su dung cua cac loai trong h

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Bang 4. cac nhom gia tri sir dung cua die lo3li thuc vat ho dau d tin a gia TT Gia tri su dung Kyhieu So kipng T y ie r o 1 Nhom cay lam thuoc (Medicine) M 41 45,05 2 Nhom cay cho g6 CTimber) T 16 17,58 3 Nhom cay lam canh (Ornamental) Or 2 2,20 4 Nh6m cay an dupe (Edible) Ed 5 5,49 5 Nhom cay cho doc (Medicine poison) Mp 3 3,30 6 Nhom cay cho tanin (Tanin) Tn 2 2,20 7 Nhom cay lam phan xanh (Fertilize) Fe 18 19,78 3.5. Vd ph6 dang s6ng cua Raunkiaer (1934) [7] vdi 8 kidu dang song thupc 3 Dang song noi l6n ban chat sinh thai cua he thuc nhom la cay choi tren (Ph), cay choi 1 nam (Th) va vat cung nhu cac he sinh thai khac. Khi phan tich pho cay choi sat dat (Ch), cac nhom cay chdi in (Cr), Chdi dang song cua ho Dau d phia nam huyen Tinh Gia, nua an (Hm) chua gap trong qua trinh nghien cuu, kdt Thanh Hoa, ap dung he thong phan loai dang song qua duoc thong ke tai bang 5 nhu sau: Bang 5. Ty l£ die dang sdng cua ho D£u d phia Nam huyen Tinh Gia, Thanh H6a

Dang song Mfi Me Mi Na Lp Hp Ch Th Tdng Sd loai 5 17 12 13 34 1 3 6 91 Ty le (%) 5,49 18,68 13,19 14,29 37,36 1,10 3,30 6,59 100 Ket qua d bang tren cho thay, nhom cay day leo 68,13%), tidp ddn la ydu td dac huu va can dac hflu (Lp) chiem ty le cao nhat vdi 34 loai, chiem 37,36%; Viet Nam voi 13 loai (chidm 14,28%). nhom cay choi tren vira (Me) chiem 18,68%; tiep theo Ve gia tri su dung: so luong loai co gia tri lam la nhom cay choi tren lim (Na) chiem 14,29%; cay thudc nhieu nhat vdi 41 loai (chidm 45,05%), tidp ddn choi tren nho (Mi) chiem ty le 13,19%; nhom cay choi nhom cay lam phan xanh vdi 18 loai (chidm 19,78%), to (Mg) chiem 5,49%; nhom cay choi 1 nam (Th) nhom cay cho g6 vdi 16 loai (chidm 17,58%), cac chiem 6,59%; nhom cay choi sat dat (Ch) chiem 3,30% nhom gia tri khac (lam canh, an dupe, co doc, cho va thap nhat la nhom cay thao song lau nam (Hp) vdi tanin) chidm tir 2,20 ddn 5,49%. 1, 10%. Ve dang song: ho Dau d phia nam huyen Tinh Nhu vay, doi vdi ho Dau noi chung va khu vuc Gia gom 3 nhom chinh la nhom cay choi tren (Ph), nghien cuu noi rieng thi dang song chu yeu la cay nhom cay choi sat dat (Ch) va nhom cay choi 1 nam than leo va nhom cay choi ldn, choi lun va phu hop (Th). Trong do, nhom cay choi tren co so loai nhidu vdi dac diem tham thuc vat d day chu yeu la nui da nhat voi 82 loai va dudi loai (chidm 90,11%), tiep ddn voi va nui dat da va dang bi tac dong cua con ngudi, la nhom choi 1 nam vdi 6 loai (chidm 5,59%) va thap cac nhom cay nay chi gap dudi dang tai sinh hoac nhat la nhom cay choi sat dat 3 loai (chidm 3,30%). than nho. TNLfilTMMKHM 1. Nguydn Tidn Ban, 1997. Cam nang tra cuu va 4. KIT LIMN nhan bidt cac hp thuc vat hat kin d Viet Nam. Nxb Qua dieu tra da xac dinh duoc 91 loai va dudi loai Khoa hpc va Ky thuat, Ha Noi, 532 trang. cua hp Dau (Fabaceae) thuoc 41 chi d phia nam cua huyen Tinh Gia, Thanh Hoa. Cac chi dupe tim thay co 2. Nguydn Tidn Ban (chu bien) va nnk, 2003. Danh luc cac loai thuc vat Viet Nam. Nxb Nong tu 1 den 9 loai, chi giau loai nhat la Dalbergia, M illettia vdi 9 loai. nghiep, Ha Noi. Ve yeu to dia ly: cac loai thuc vat trong Fabaceae 3. Brummitt R K , 1992. families d phia nam huyen Tmh Gia mang tinh chat nhiet ddi and genera. Royal Botanic Garden, Kew, 804 pp. dien hinh, bdi yeu td nhiet ddi chau A co so luong 4. Vo Van Chi, 2012. Tir dien cay thudc Viet loai nhieu nhat vdi 62 loai va dudi loai (chiem Nam, tap 1-2. Nxb Y hpc, Ha Noi.

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5. Pham Hoing HO, 1999. Ciy co Viet Nam 8. Nguyen Nghia Thin, 1997. Cam nang nghien (Quy&i 1). Nxb Tre, TP HCM, trang 182-295. cuu da dang sinh vat Nxb Nong nghiep, Ha Noi, 223 6. Trieu Van Hung, 2007. lim san ngo& gd Viet trang. Nam Nxb Ban d6, Hi Noi. 9. Nguyen Nghia Thin, 2008. Cac phuong phap 7. Raunkiaer C., 1934. Plant life forms. nghien cuu thuc vat. Nxb Dai hoc Quoc gia Ha Noi, Claredon, Oxford. Ha Noi.

DIVERSITY COMPOSITION OF FABACEAE SPECIES IN SOUTH TINH GIA DISTRICT, THANH HOA PROVINCE Dau Ba Thin, Le Van Do Summary This paper present some results of research on family Fabaceae in South Tinh Gia district Thanh Hoa province from 2012 to 2013. Total 91 species belonging to 41 genus of Fabaceae were collected and identified. Dalbergia and M illettia are the richest species (9), followed by Bauhinia (8), Acacia (6) and the other genera there are from 1 to 4 species. The number of useful plant species of the Fabaceae is categorized as follows: 41 species as medicinal , 16 species for timber plants, 5 species for food and food stuffs, 2 species for ornamental, and 18 species for. The Fabaceae at the South Tinh Gia district is typical tropical. Tropical Asia geographical accounted for the largest proportion (68.13%) and Vietnamese endemic geographical is a significant portion (14.28%). Key words: Diversity, Fabaceae, Tinh Gia district, Thanh Hoa province, phytogeographical. Ngudi phin bien: PGS.TS. Nguyen Thi Ng

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