八宿黄耆
八宿黄耆 |
中文名:八宿黄耆 拉丁学名:Astragalus baxoiensis Podlech & L.R.Xu 门:被子植物门 科:豆科 属:黄耆属 |
八宿黄耆(bā sù huáng qí),学名 Astragalus baxoiensis Podlech & L. R. Xu ,是豆科、黄耆属植物。分布于四川省、西藏自治区。 [1]
目录
形态特征
Plants 6-12 cm tall, densely caespitose, furnished with appressed hairs. Stems up to 6 cm, slender, glabrous.
Leaves 1.5-4.5 cm; stipules often reflexed, 2-3 mm, nearly free from petiole, distinctly connate behind stem, sparsely hairy to some-times glabrous; petiole 0.5-1 cm, like rachis glabrous or with scattered hairs up to 0.3 mm;
leaflets in 5-8(or 9) pairs, elliptic, 2-3 × 1-1.5 mm, abaxially especially at midvein sparsely covered with appressed hairs up to 0.3 mm, adaxially glabrous, apex subobtuse.
Racemes short, rather densely 4-8-flowered; peduncle 2-3.5 cm, glabrous; bracts whitish membranous, ovate to narrowly triangular, 1-2 mm, sparsely white and black hairy.
Calyx campanulate, ca. 3 mm, loosely covered with appressed white and black hairs 0.1-0.3 mm; teeth 1-1.5 mm. Petals pale purple; standard widely elliptic to orbicular, ca. 8 × 4.5 mm, apex emarginate;
wings ca. 7 mm; keel ca. 6 mm. Legumes with a stipe ca. 1 mm, ellipsoid, ca. 5 mm, ca. 2 mm high and ca. 2.5 mm wide, keeled ventrally, grooved dorsally, acute with hooked persistent style, 1-locular; valves glabrous.
分类文献
FOC >> Vol.10 (2010) >> Fabaceae >> Astragalus 157.Astragalus baxoiensis Podlech & L. R. Xu Novon. 17: 241. 2007. 八宿黄耆 ba su huang qi
产地生境
● About 4200 m. Sichuan, Xizang.
标本信息
学名 Astragalus baxoiensis Podlech & L.R.Xu 中文名 八宿黄芪 鉴定人 D.Podlech, Munchen 鉴定时间 20050000
采集信息
采集人 南水北调队,姜恕 采集号 6825 采集时间 19610805 采集地 中国 四川省 海拔 3300 生境 路旁阳处 习性 物候期 有花无果