短柄黄耆查看源代码讨论查看历史
| 短柄黄耆 |
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中文名:短柄黄耆 拉丁学名:Astragalus brachysemia Podl. & L.R.Xu 门:被子植物门 科:豆科 属:黄耆属 |
短柄黄耆(duǎn bǐng huáng qí)，学名 Astragalus brachysemia Podlech & L. R. Xu ，是豆科、黄耆属植物。分布于四川省。 [1]
形态特征
Plants ca. 25 cm tall. Stems 13-15 cm, rather densely covered with subappressed white hairs 0.1-0.3 mm, soon gla-brescent.
Leaves 4-7 cm; stipules greenish, narrowly triangular, 3.5-6 mm, very shortly adnate to petiole, otherwise free, sparsely to loosely predominantly black hairy;
petiole 0.5-1 cm, like rachis loosely white or white and black hairy; leaflets in 4-6 pairs, narrowly elliptic, 10-20 × 2-5 mm, abaxially loosely covered with appressed white hairs 0.2-0.5 mm, adax-ially glabrous, apex subobtuse to obtuse.
Racemes cylindric, ca. 5 cm, densely many flowered; peduncle 6-8 cm, hairy like stem, toward raceme increasingly covered with more spreading black hairs;
bracts whitish membranous, 2-4 mm, black hairy. Calyx ca. 4 mm, ± densely covered with ascending black hairs ca. 0.5 mm; teeth 1.5-2 mm.
Petals violet, in dry state very pale lilac; standard obovate, ca. 6 × 3.5 mm, apex rounded; wings ca. 5 mm; keel ca. 4 mm. Ovary with a stipe ca. 0.5 mm, sub-globose, glabrous. Legumes unknown.
分类文献
FOC >> Vol.10 (2010) >> Fabaceae >> Astragalus
131.Astragalus brachysemia Podlech & L. R. Xu Novon. 17: 229. 2007. 短柄黄耆 duan bing huang qi
产地
● Sichuan.
标本信息
学名 Astragalus brachysemia Podl. & L.R.Xu 中文名 鉴定人 D.Podlech 鉴定时间 20050000 模式类型 holotype
采集信息
采集人 四川植物标本 采集号 10393 采集时间 19750813 采集地 中国 四川省 海拔 3420 生境 河漫滩 习性 草本 物候期 有花无果