全 文 ：第 22 卷　第 1 期　　　　　　　　　　　　　植　　　物　　　研　　　究 2002年　1 月
Vol.22　No.1　　　　　　　　　　　BULLETIN OF BOTANICAL RESEARCH Jan., 　2002
西藏豆科植物一新记录种
朱相云1　大桥广好2
(1.中国科学院植物研究所 , 北京　100093)
(2.东北大学理学研究科附属植物园 ,日本国仙台市 980-0862)
摘　要　作者在从事《青藏高原及其邻近地区植物区系及分布格局研究(KSCX2-1-06B)》项目
研究时 ,对 PE所藏青藏高原地区豆科标本进行了全面的整理和鉴定 , 首次发现民和黄芪在西藏
有分布 ,本文予以报道并附有该种详细的形态描述 。
关键词　民和黄芪;新记录种;豆科;西藏
A NEW RECORDED SPECIES TO FLORAOF TIBET
ZHU Xiang-yun1　OHASHI Hiroyoshi2
(1.Institute of Botany , the Chinese Academy of Sciences , Beijing 100093)
(2.The Botanical Garden , Graduate School of Science , Tohoku University , Sendai 980-0862 , Japan)
Abstract　While ident ifying legume specimens in PE for executing the project “On the Floristic Re-
gion and Distribution Pat terns of the Qinghai-Tibet Plateau and Adjacent Areas(KSCX2 -1 -
06B)” , the present authors found one species Astragalus m inhensis X.Y.Zhu et C.J.Chen new to
Flo ra of T ibet for the first time.With a detailed description is appended to it.
Key words　Astragalus m inhensis;new record;leguminosae;Tibet
　　民和黄芪　新记录种
Astragalus minhensisX.Y.Zhu et C.J.Chen in
Guihaia 15(2):112 , 1995.
Erect perennial herbs , 60cm ～ 70 cm high.Roots
crass , dark brown.Stems more or less purple -
brow nish.Plants appressed with w hite hairs , the up-
per parts wi th w hi te and black hai rs.Leaf 5.0cm ～
9.0 cm long;pet ioles ca.0.5 cm long;leaflets 5 ～ 9
pairs , ovate or elliptical , 1.1cm ～ 2.3 cm long , 0.
3cm ～ 0.8 cm w ide , acute at apex , w ith appressed
white hairs on bo th sides.Stipules separate , broadly
t riangular-ovate or sub-linear , w ith ciliate hairs ,
0.4cm ～ 1.0 cm long , 0.15cm ～ 0.3 cm w ide.Inf lo-
rescence w ith 9 ～ 19 f low ers , axillary ,13cm ～ 17 cm
long ;bracts linear , glabrous or ciliate , 0.2cm ～ 0.5
cm long , pedicels ca.0.3 cm long , w ith w hite and
black hairs;f low er small , 1.0cm ～ 1.2 cm long;ca-
lyx campanulate , ca.0.6 cm long , with w hite and
black short hairs , teeth very sho rt;standard purple-
redish at apex , never ret roflex , rotundato-obovate ,
ca.1.2 cm long , emarginate at apex , narrow to
base;w ings ca.1.1 cm long , ca.0.3 cm w ide , ob-
第一作者简介:朱相云(1964-),男 ,理学博士 ,主要从事植物系统与分类研究工作。
本研究获《青藏高原及其邻近地区植物区系及分布格局研究(KSCX2-1-06B)》项目资助。
收稿日期:2001-10-08
tuse at apex , with short auricule , unguisca ca.0.8
cm long ;keel-petals yellow at first and then brow n ,
ca.1.1 cm long , with short auricule;ovary linear-
ovate , ca.0.15 cm long , appressed w ith w hite and
black hairs , with short stipes;stigma dilatant , with
hai rs.Legume membranaceous , inflated , 3.0cm ～ 3.
8 cm long , 1.0cm ～ 1.2 cm wide , uniloculate , with
4 ～ 9 seeds;stipitate 0.25cm ～ 0.3 cm long.
Specimens examined in Xizang:Within shrubs ,
Qingdangzha , Düngqün Xian , alt.3550 m , 18 July ,
1991 , Jing-sheng Yang 91-628(PE).
71 期　　　　　　　　　　　　　　朱相云等:西藏豆科植物一新记录种