波氏黄耆查看源代码讨论查看历史
| 波氏黄耆 |
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中文名:波氏黄耆 拉丁学名:Astragalus przhevalskianus Podlech & N. Ulziykhutag 门:被子植物门 科:豆科 属:黄耆属 |
波氏黄耆(bō shì huáng qí)，学名 Astragalus przhevalskianus Podlech & N. Ulziykhutag ，是豆科、黄耆属植物。分布于新疆维吾尔自治区西部。 [1]
形态特征
Plants 4-20 cm tall, acaulescent, with white or reddish when mature hairs up to 3 mm. Leaves 3-20 cm; stipules 5-7 mm, shortly adnate to petiole, glabrous, or upper ones ciliate;
petiole 1-5 cm, like rachis sparsely to loosely spreading hairy; leaflets in 10-18 pairs, narrowly ovate to elliptic, 2-10 × 1-3.5 mm, mostly folded, abaxially sparsely to rather densely covered with ascending hairs, adaxially glabrous.
Racemes subsessile, 1- or 2-flowered; bracts 6-8 mm, ciliate. Calyx 11-12 mm, bas-al part nearly glabrous, upper part sparsely to loosely spreading hairy; teeth 2.5-4 mm.
Petals yellow, fading purplish; standard obovate, ca. 20 × 7 mm, apex emarginate; wings ca. 19 mm; keel ca. 17 mm.
Legumes with a stipe ca. 3 mm, 8-12 mm, 5-7 mm high and 5-6 mm wide, with a beak ca. 2 mm, incom-pletely 2-locular; valves thin but tough, loosely covered with very thin ± spreading hairs 1-2 mm.
产地
W Xinjiang [Kazakhstan].
标本鉴定信息
学名 Astragalus przhevalskianus D.Podlech & Ulzij. 中文名 鉴定人 D.Podlech.Munchen 鉴定时间 20050000
采集信息
采集人 洪德元,李学禹,张芝玉,潘开玉 采集号 0024 采集时间 19930529 采集地 中国 新疆维吾尔自治区 海拔 2120 生境 草甸多砾石 习性 物候期 有花无果