Bl ph�n dung: Toan cay chu y�u la la - Herba Andrographitis, thuang gQi la Xuyen tam lien.. Nen thu hai cay khi chua ra hoa; dung tuai hay phai kho dung dftn.. DS lam thu6c, nguai ta thu
Trang 1BQ GIAO DlJC VA DAO T �O
TRUONG D�I HQC MO TP HO CHI MINH
BAO cAo TONG KET
DE TAI KHOA HQC VA CONG NGHt CAP TRUONG
Trang 21III PORTULACACEAE: HO SAM
4 Talinum patens L.: Sam ddt
IV POL YGONACEAE: HQ RAM
5 Polygonum chinensis L.: Th6m 16m
IV
Trang 58RANUNCULACEAE: HOANG LIEN
Ranunculus sceleratus L Mao lucmg
[254]
Acanthopanax senticosus (Rupr et
Maxim.) Harms Ngii gia gai [260]
ANH cAc CAY THU6c TRONG WON
CONV ALLARIACEAE: HOANG TINH Ophiopogon Japonicus (L.f) Ker- Gawl
M�ch mon dong [255]
CYPERACEAE: c6r
Cyperus rotundus L Hucmg ph\l, Co cu
[258]
ARALIACEAE: NHAN SAM
Acanthopanax trifoliatus (L.) Merr Ngii gia bi chan chim [260]
xli
Trang 649: Huy�t ap cao, di tieu ra mau, da ruqu: u6ng dichJa Kim vang
4 A11drographis pa11iculata (Burm f.) Nees: Xilyen tam lien, Cay
cong cc}ng [xiii]
Mo ta: Cay nho s6ng 1-2 nam, m9c th�ng dung, c6 th8 cao d�n Im
Than vuong, phan nhanh nhi€u, cac canh m9c theo 4 hu6ng La m9c d6i, c6 cu6ng ng�n, phi�n la hinh trung, dai 4-6cm Hoa nho, mau tr�ng c6 diem huang, mQC thanh chum CT nach la hay CT ng9n canh Qua nang dai 16mm, r9ng 3,5mm H?t hinh tr\l, thuon dai, mau nau nh?t
Bl) ph�n dung: Toan cay (chu y�u la la) - Herba Andrographitis,
thuang gQi la Xuyen tam lien Cay m9c nhanh, sau 80-90 ngay da thu ho?Ch dugc Nen thu hai cay khi chua ra hoa; dung tuai hay phai kho dung dftn
Pban b6:" Cay cua phan vung ·An B9 - Malaixia, m9c hoang va cfing
dugc tr6ng Tr6ng b�ng h?t vao mua xuan
Thanh phftn boa hQc: Trong cay va la c6 cac acid hfru ca, tanin, chftt · nhl,ra, duang, Tnfng la c6 cac ho?t chftt deoxyan-drographolide 0, 1 % hay hon, andrographolide 1,5% hay hon, neoandrographolide 0,2%, homoandrographolide, panicolide Con c6 andrographan, andrographon, andrographosterin R� chua mono-0-methylwithtin, andrographin, panicolin, apigenin-7,4'-dimethyl ether Toan cay chua 14-deoxy-11-oxoandrographolide, 14-deoxy -11,12-didehydroandrographolide, va cac panniculide A, B, C
Tinh vi, tac d1_mg: Vi d�ng, tinh han; c6 tac dl)ng thanh nhi�t giai d<)c, ho?t huy�t, tieu thfing chi th6ng Xuyen tam lien c6 tinh khang sinh m?nh d6i v6i nhi�u lo?i vi trung N6 con lam tang kha nang thµc trung cua b?Ch cftu N6 c6 tac dl)ng giam dau tuang tµ a§pirin, va lam h? huy�t ap nhung khong gay tai bi�n
Cong d1_mg, chi djnh va ph6i hQ'p: Thuang dugc dung tri cam s6t, cum, tri ho, viem h9ng, viem phf>i, sung amygdal, viem duang ti�t ni�u, viem am d?O, viem loet cf> tfr cung, khi hu, dau bl)ng kinh, viem nhi€m du:ang ru9t CIY., tf\l'C trung, nhi�m d9c thuc an, sinh bl)ng, soi bl)ng, ia chay, b�nh tum cua tre em), huy�t ap cao, dau nhuc CO' the, te thftp, ml)n nh9t, vSt thuang giai phfru, bong Dung ngoai gia d�p ml)n nh9t, ghe I& va rin cin Cung dugc dung d8 chfra b�nh cho gia sue, gia cftm (s6t, b�nh ph6i, ia chay,
lY., b�nh toi ga ) Li�u dung 10-20g toan cay s�c u6ng Tan b9t u6ng m6i ngay 2-4g, chia lam 2-3 lftn Dung ngoai khong k8 li�u lugng gia d�p ho�c nftu nu6c rira C6 thS ch� thu6c ma d8 boi
LL
Trang 68ACANTHACEAE: HQ ORO
Vo rS, vo than s�c u6ng ho�c ngam ru<JU u6ng chfra te thftp RS va canh
la c6 th� dung tuoi gia d�p cac v8t thuong ch6 sung tfty va b6 gay xuong Con dung tan b(H r�c trir sau m9t
Bai thu6c:·
1 Bi tri ngoc;ii: Tftn cfru 2g, Trc;ich ta 2g, Trftn bi 2g, Sai h6fr 2g, Phongphong 2g, Duong quy 3g, Tru{it 3g, Cam thao lg, Hoang ba lg, Thang ma
lg, Dc;ii hoang lg, Dao nhan 3g, H6ng hoa lg
2 Dung tri gay xuong, sai chan, phong thftp viem kh6p xuong RS dungchfra vang da, giai d(>c ru<JU, con tri viem thftp kh6p, ·b6 gay xuong, tr?t kh6p Li�u dung 12-30g cay kho, dc;ing thu6c s�c -i-
3 Chfra san ph\l mau xftu dua len choang vang, m�t mo: Thanh tao, Mftntu6i, Co man chftu, m6i vi 20g, s�c u6ng
4 Chfra v8t 16, v8t thuong nhiSm d(>c chay mau khong dut hay nh9t 16th6i loet, kh6 keo mi�ng La Thanh tao va la Mo quc;i luQ'I1g bing nhau, ma v6i nu6c mu6i, gia nho, d�p rit, thay thu6c hiing ngay Trong u6ng nu6c s�c Bc;lch chi nam, Kim ngan hoa, B6 cong anh, m6i vi 1 n�m va an rau s6ng hiing ngay, sau m9t tuftn IS se c6 k8t qua
,
8
Trang 80AMARYLLIDACEAE: LAN HU)::
B(> ph�n dung: Toan cay -Herba Crini Asiatici DS lam thu6c, nguai ta thu hai cac b9 ph?n khac nhau cua cay quanh nam, dung tuai hay phai kho Phan b6: Loai phan b6 tir An D9 qua Indonexia t6i dao Molluyc 0
nuac ta, cay m9c hoang d<;ti & nhfrng nai �m mat, dtJa r<;1ch, cfing thuang tr6ng lam canh; nguai ta thuang tach cac h·anh con dS tr6ng
Thanh ph�n hoa hQC: Cac b9 ph?n cua cay, nhfit la hanh chua lycorin R� cay chua alcaloid harcissin (lycorin), vitamin va cac hgp chfit kit�m c6 mui hoi cua toi H<;tt chua lycorin va crinamin
Tinh vj, tac d1.mg: Hanh cua Nang c6 vi d�ng; c6 "tac di,mg b6, nhu?n trang, long dam R� tuai gay non, lam mira va lam toat m6 hoi H<;tt t�y, lqi ti�u va di�u kinh La lam long dam.
· Trang y h9c Dong phuang, nguai ta xem Nang c6 vi cay, tinh mat, c6d9c; c6 tac di,mg thong huy�t, tan tr, tieu sung, giam dau Hanh cua n6 c6 vi d�ng, hoi, tinh n6ng; c6 tac di,mg khu phong tan han, giai d9c tieu sung Cong d1.mg: Toan cay dung trj: 1 Dau h9ng, dau rang; 2 Dinh nh9t, viem mu da, loet a m6ng, a ban chan; 3 Don nga t6n thuang, dau cac kh6p
xuang; 4 R�n c�n Ngay dung 3-lOg, d<;tng thuf>c s�c Dung ngoai, gia cay
tuai d�p
d An D9, nguai ta con dung hanh cua cay d� tri chung thi�u m?t va
- nlifrrig "rf>qo·�n dircmg ti�t i1i�u La duqc dung d�p trj'b�iih ngoai da va lamtan sung
Bai thufic:
1 Chfra bong tan, sai kh6p, dau cac kh6p xuang: dung la nang tuai gianho, them it ru<JU, nuang n6ng d�p vao ch6 dau r6i bang l<;ti, lam nhu th� dJri khi khoi
2 Mi,m nh9t: dung la nang tuai d�p hO?C ep lfiy nu&c u6ng d�n khi khoi
3 Gay non, lam long darn: Khi bu6n non ma khong non duqc, nguai tathuang dung la nang hoa tr�ng gia nat v�t lfiy nu&c, pha vao it duang; cu vai phut u6ng tir 6 - 8g, bi,mg thfiy d� chiu la se non duqc.
Ghi chii: N€u an phai hanh cua Nang, hO?C u6ng nu6c ep d?C Se bi non mira, dau bi.mg, ia chay, m�ch nhanh, ho hfip khong d�u, nhi�t d9 ca th� cao, thi giai d9c b�ng nu6c tra d?c ho?c dung dich acid tannic 1-2% Ho?c cho u6ng nu6c duang, nu6c mu6i loang; cfing c6 thS dung gifim v6i nuac
Girng (ty 1� 2: I) cho u6ng
20
Trang 84APOCYNACEAE: HQ TRUC DAO
R€ chua· ho?t chfit (0,7-2,4%) nhi€u hon trong than (0,46%) va la 1,15%) Cac chfit chu y€u la vinblastin, vincristin, tetrahydroalstonin, pirinin, vindolin, catharanthin, vindolinin, ajmalicin
(0,37-Tinh vi, ta� d1}.ng: Dua C?n c6 vi hai d�ng, tinh mat, c6 d(>c, c6 tac di.mg ho?t huy€t, tieu thiing, giai d(>c, h? huy8t ap va an thfrn
Cong d1}.ng, chi djnh va phBi hQ]l: Nguai ta thuang dung Dua C?n lam
thu6c kim t€ bao va duqc chi dftn trong di€u tri b?nh Hodgkin, b?nh b?ch cfru lympho cfip, m(>t s6 ung thu Trong dan gian vftn dung tri cao huy€t ap, tri b�nh dai duang, di€u kinh, chfra tieu hoa kem va chfra iY., thong ti�u ti?n, chfra b?nh di ti�u do va it C6 nguai dung tri ung thu 11;au, ung th� ph6i Cach dung: Dung than va la Dua C?n phai kho S'-20g c6 the dung t6'i 50g (d?ng thu6c s�c, cao long ho�c vien nen tu cao kho): Trong Tay y nguai ta ch€ thanh thu6c tiem
Bai thu6c:
1 Tri b?nh b?ch cfru lympho cfip: Dung 15g dua C?n s�c nu6'c u6ng
Ta da chi€t duqc vinblastin tu la Dua c?n va du&i d?ng thu6c tiemvinblastin sulfat d� chfra b?nh nay
2 Tri huy8t ap cao: Dung Dua C?n 12g, Hy thiem 9g, Thao quy8t minh6g va B?ch cue 6g, s�c u6ng
, ·23:·RaiiJ!_ofici.serpentina L.: Ba ·g�c thu6c, Ba'.g�c An dl); Ba g�c·4·1a
[xvi]·
Mo ta: Cay thao cao 40-60cm, it nhanh, r€ to, VO r€ c6 nhi€u v8t nm d9c, mu tr�ng La cji\lm 3, phi8n bfru d\lC thon khong long, gan ph\l 8-9 c�p: Cl.lm hoa chuy; cu6ng do; hoa tr�ng, phia ngoai h6ng, dai c6 5 rang, cao 2mm; 6ng trang ph\l & 1/3 tren nai dinh cua cac nhi; c6 dia m?t; bfru khong long
Qua h?Ch do r6i den, to CO' 5-7mm, nhan d�t
Bl) ph�n dung: R€ -Radix Rauvolfiae serpentinae Co khi con dung la Thu hai r€ vao mua dong khi cay fl.lng la ho�c dfru mua xuan Thong thuang
la ch�t than canh sat g6c, dung cu6c dao r€ Rua S?Ch dfit cat d� rao nu6'c r6i b6c VO phai kho 6 An D9, nguai ta thu hO?Ch r€ & cay 3-4 tu6i, vao mua thu
Phan b6: Loai c6 g�p m9c hoang & Kontum va D�c L�c nhung trfr luqng khong dang k�; thu(>c loai cay quy hi8m cua nu6'c ta Thuang duqc tr6ng thi nghi?m trong cac vuan thu6c
Thanh phfin boa hQC: Ham luqng alkaloid toan phfrn la 0,8-1 % Alkaloid c6 it & than (0,3%) nhi€u & r€ (1-2%) t?p trung & vo r€ nhi€u gfip
10 lfrn so v6'i cac b(> ph?n khac R€ chua chfit VO CO' 6-7% tinh b(>t, chM sterol va alcoloid (c6 d�n 28 chfit) thu(>c 4 nh6m khac nhau (Y.ohimbin, heteroyohimbin, serpagin va ajmalin)
Cay m9c & D�c L�c c6 kha nang cho 1 Og VO r€ kho va chua alcaloid toan phfrn la 3,3% & VO rf 0,275% & loi r€, 0,975% & than la Tu VO r€ da chi8t tach duqc reserpin 0,04%, ajmalin 0;5%
24
Trang 90ARACEAE: HQ MON
3 Binh nh9t va viem mu da; lfiy m(>t luqng cu Choe vira phai nghi€nbc)t, tr(>n them it b(>t H6ng hoang lam chfit b(>t deo d� dip
Kieng kY.: Nguai CO' th� suy nhugc, kho tan dich, khat nu&c, d?i ti�n tao,
ho khan va nguai c6 mang khong dung
28 Acorus verus Houtt: Thuy xrrO'ng b'B, XtrO'ng b6, B�ch b6, B6 B6 [xvii]
Mo ta: Cay khoe s6ng dai, m9c & ch6 ftm u&t, dfit ldy, nha m9t than r€ phan nhanh nhi€u, day co 3cm, mang nhi€u r€ con La hinh guam c6 mc)t gan chinh, dai 50-150cm va r(>ng 1-3cm Cvm hoa hinh trv dai 4-5cm nfim ddu m(>t can hoa, tren d6 c6 nhi€u hoa nho mau lvdnh?t x�p theo duang xoin 6c Qua m9ng mau do
Hoa thang 6-7, qua thang 8
Bi} ph�n dung: Than r€ - Rhizoma Acori Calami, thuang g9i la Thuy
xuang b6 La va than cung dugc dung
Phan b6: Loai cua vung Trung A, c6 phan b6 & An 89, Trung Qu6c, Nh�t Ban, Indonexia 0 nu&c ta, cay m9c tu Lao Cai, Ninh Binh, Quang Tri, t&i Lam 86ng
Thu ph6 bi�n hi�n nay la var verus L thuang g�p & ba r?ch, ha ao, noi c6 nu&c, cac muong ldy, cac bai b6i cua c6n Cung c6 khi dugc tr6ng 8�
··:··dung ·1aiii UUi6c, · uao· tnaii r€ gift"� rfra S?ch · dfit"cat, cho·1en··gian va d6f' lua · &du&i d� d6t cac by, r€ con va giam bot Thuy phan Sau d6, dimg dao citthanh tung do?n dai 8-15 cm va cit ho nhfrng re con sot l?i, dem phoi ning ho�c sfiy d�n kho.'
Thanh ph§n hoa hQC: Than re kho chua' 1,5-3,5% tinh ddu thorn c6 vi
cay de bay hoi, chfit ding acorin (khi ti�p xuc v&i khong khi bi o xy hoa ch�m thanh m(>t chfit nh\fa trung tinh g9i la acoretin), m9t it tanin, chfit nhdy, acid beo, cholin Trong tinh ddu c6 cac acid acetic, palmitic va eugenol, aldehyd asary lie, (pin en, camp hen, long nao ( calameene ), m9t
sesquiterpen 2 vong ( calamen), alcol la calamneol, asaron va parasaron,
d6ng phan cua asaron la calamol va isocalamol; con c6 thiamin Nguai ta con tim thfiy cac chfrt calamendiol, acorenone, shyobunone, acorone, acoragemacrone, acolamone, isoacolamone
Tinh vj, tac d\mg: Thuy xuong b6 c6 vi cay, tinh fim, c6 mui thorn; c6
tac dvng khu phong thong khi�u, ki�n ty, hoa khi trir dam, sat trung giai d(>c Acorin kich thich tn?nh cac tuySn nu&c b9t, tuySn d? day va ruc)t, t?o thanh m9t lo?i thuf>c lam tn?nh tieu hoa, lam tang cuang cac SlJ trao d6i chfit hfru co N6 c6 tac d1,mg lam diu d6i v&i h� thdn kinh trung uang va lam thu6c di€u hoa nhip tim Asaron cung c6 tinh khang khuftn va sat trung
� Cong d\mg, chi djnh va ph6i hQ'p: tu·lau, cay dugc SU dvng lam thu6c
kich thich tieu hoa va lgi ti�u, dung chS cac lo?i nu&c u6ng va dung trong huong li�u Thuang dung tri cam cum, viem ph6i nhy, viem khi quan, viem th�n, kh6 tieu, kinh gian dien cu6ng va phong han te thfip Con dung tri giun cho tre em Va tre hay 6i Oy
30
Trang 92Thien nien ki�n con la nguyen li�u chi€t tinh dfiu dung lam huong li�u,
va la nguf>n nguyen li�u chi€t linalol
-l-0 Van Nam (Trung Qu6c), than r€ Thien nien ki�n duqc dung tri don nga t6n thuong, gay xuong, ngo?i thuong xuftt huy€t, tu chi te b?i, dau d? day, viem d? day Va ru(>t, gan ID?Ch kh6 CO du6i, phong thftp dau lung dui, lo?i phong thftp dau nhuc kh&p xuong
Cach dung: Ngay dung 6-12g d?ng thu6c s�c hay ngam ruqu u6ng Thuong ph6i hqp v6'i Co xu6'c, Th6 phvc linh, D(>c Ive d� trj te thftp, nhuc moi Cung dung tuoi gia ngam ruqu xoa b6p ch6 dau nhuc, te b?i va phong thftp D� trj dau bvng kinh, thuong ph6i hqp v6'i r€ Buai bung, r€ Bu6'm b?c, g6 Vang, r€ Sim rung cung s�c u6ng D� trir sau nh?Y, dung than r� kho'tari h(>f ritc.·L�ftu&i ·gia v6'i ifmu"f>f d�p-chua·nh9fd(>c:· 4
••• , ·:.,:··:
Chu y: Nguai am hu n(>i nhi�t, tao b6n, nhuc dfiu khong nen dung Bai thu6c:
1 Dau thfin kirt!i toa:
-: Th� phong thftp: ·Ngai di�p 20g, c.iu ti�h 12g, nam tvc do?n 20g, r�buai bung 16g, thien nien ki�n 1 Og, trinh nfr 20g, phong phong 1 Og, kinh gi6'i 16g, r€ la 16t 10g, r€ cue tfin 16g, xuyen khung 10g, duong quy 12g, thvc dja 12g, b?ch thuqc 12g, qu€ chi 1 Og, chich thao 12g Ngay dung 1 thang, s�c 3 lfin, u6ng 3 lfin
-Th� han thftp: Th6 phvc linh 20g, c6t toai 12g, tvc do?n 12g, nguu tfit12g, c6 chi 10g, ngai di�p 16g, qu€ 10g, thien nien ki�n 10g, tfin giao 10g Ngay 1 thang, s�c 3 lfin u6ng 3 lfin Cong dvng: khu phong tan han, giam dau trir thftp, thong ho?t kinh l?c Ho�c c6 th� dung: Tang ki sinh 16g, nam
tvc do?n 20g, trinh nfr 20g, ngai di�p (kho) 16g, c.iu tich 12g, th?ch xuong bf> 16g, kinh gi6'i 16g, r€ cue tfin 12g, quS 10g, thien nien ki�n 10g, d?u den (sao thorn) 24g, chinh thao 1 Og, d6 tn;mg 1 Og Ngay dung 1 thang, s�c 3 lfin u6ng 3 lfin Cong dvng: Trir phong han, b6 thfin kinh, luu thong huySt ID?Ch
2 Chua te b?i, phong thftp : ngay dung 6-12g Thien nien ki�n d?ngfhu6c s�c hay ngam ruqu u6ng Thuang ph6i hqp v6'i Co xu6'c, Th6 phvc linh, D(>c Ive d� tri te thftp, nhuc moi Cung dung tuoi gia ngam ruqu xoa b6p ch6 dau nhuc, te b?i va phong thftp
32
Trang 98ASTERACEAE: HQ CUC
Nhi€u b�nh vi�n da sir d\lng cac ch� phfim cua Co cut lqn d� di€u tri cac chung viem xoang mfii m�m tinh va di ung, c6 k�t qua t6t, khong gay tac d\lng ph\l gi d6i v&i ca th� nguoi b�nh
37. Ce11tipeda11 minima (L.) A.Br.et Aschers.: Co the, Coe mfin, Coe ng6i, Cay thu6c m(>ng [xviii]
Mo ta: Cay thao chi m9c hrmg nam, cao 5-20cm; canh hoa sat mijt dftt
Ng9n c6 long mau trilng nh?t La nho, m9c so le, khia 1-2 rang & m6i ben mep Hoa hinh dftu mau vang nh?t, m9c & ng9n hay & ben, d6i di�n v&i m9t
la dt be Trong d6 c6 5 day hoa cai & phia ngoai, & gifra la hoa luong tinh hinh, f>ng Qua b�, cac qua phia ngoai hinh 4 C?nh, va.;,qua phia tren d�p, t§t
ca deu c6 long
Cay ra hoa tu cu6i mua xuan d�n mua h?
· B(> ph�n dung: Toan cay - Herba Centipedae Minimae Thu hai toan
cay vao mua kho, rira S?Ch, dung tuai hay phai kho hO?C s§y kho
Phan b6: Cay cua vung Dong Duang, thuong ITIQC hoang & ru9ng Am hay kho, ph6 bi�n Sau V\l gijt, UU th� vao thang gieng
Thanh phln hoa h9c: Than la bop ra c6 mui hoi do cay c6 tinh dfiu va
m9t ch§t mau nau nh?t hay vang nh?t c6 vi dilng, it tan trong nu&c la, tan nhi€u trong nu&c n6ng, r§t tan trong c6n Nguoi ta da xac dinh duqc trong
· ·cay"c6"taras(erol;taraxasteryl a:cetat va·arnidiol.· �- ··· ·-·· :·
Tinh vj; tac d\mg: Co the c6 vi cay, mui hilc, tinh dm; c6 tac d\lng
thong khi�u, tan thdp, khu phong, tieu thiing, tieu viem, tieu sung
Cong d\mg, chi djnh va ph6i h9]1: Thuong duqc chi dinh dung chfra
viem h9ng cdp va m?n tinh, viem mfii di ung, viem ph� quan m?n tinh, ho
ga, b�nh giun diia, b�nh lY amip, b�nh s6t ret, chdn thuang, t?ng kh&p, dau milt do sung, dau mang m9ng milt, viem milt c6 mu, dau d? day, ia chay, non mira Dung ngoai tri riln ciln, viem mu da, viem da thftn kinh, chai chan
va dilp b6 gay xuang Li€u dung 3-9g, d?ng thu6c silc Dung ngoai khong k€ li€u luqng, gia cay tuai dilp ngoai
Bai thu6c:
1 Viem mfii, ngh�t mfii: Co the, hoa M<)c Ian ( ch6i hoa) m6i vi 6g Kedftu ngga (qua) 10g, silc nu&c u6ng Dung ngoai, nghi€n rieng Co the ho?c lftn v&i T� tan va B?ch chi va d?t m6i lftn m9t it vao trong miii
2 Mftn ngua eczema: Co the (2 phftn),· D�u xanh (1 phftn) mu6i (vai
h?t); Caba thu gia nho dilp len ch6 mftn ngua da rira S?Ch
3 Dung ngoai tri riln ciln, viem imi da, viem da thfin kinh, chai chan vadilp b6 gay xuang Dung ngoai khong k€ li€u luqng, gia cay tuai dilp ngoai
38 Blumea lacera (Burm.f.) DC (B glandulosa DC.).: Cai troi, Cai
ma, Kim dftu tuy�n, Co hoi [xviii]
Mo ta: Cay thao cao 0,40-lm, nhanh va la c6 long hai dinh (triu), tham
La m9c so le, mep khia rang C\}m hoa mau vang & ng9n, c6 nhanh dai, c6 long dinh; hoa dftu c6 bao chung g6m 5-6 hang la bilc, phia ngoai la hoa cai, phia trong la hoa luong tinh; hoa nho 4-Smm Qua b� dai 1mm, c6 10 l�n va
& ng9n c6 long mao trilng, d� f\}ng
38