八宿黃耆
| 八宿黃耆 |
 |
|
中文名:八宿黃耆 拉丁學名:Astragalus baxoiensis Podlech & L.R.Xu 門:被子植物門 科:豆科 屬:黃耆屬 |
八宿黃耆(bā sù huáng qí)，學名 Astragalus baxoiensis Podlech & L. R. Xu ，是豆科、黃耆屬植物。分布於四川省、西藏自治區。 [1]
目錄
形態特徵
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.
分類文獻
FOC >> Vol.10 (2010) >> Fabaceae >> Astragalus 157.Astragalus baxoiensis Podlech & L. R. Xu Novon. 17: 241. 2007. 八宿黃耆 ba su huang qi
產地生境
● About 4200 m. Sichuan, Xizang.
標本信息
學名 Astragalus baxoiensis Podlech & L.R.Xu 中文名 八宿黃芪 鑑定人 D.Podlech, Munchen 鑑定時間 20050000
採集信息
採集人 南水北調隊,姜恕 採集號 6825 採集時間 19610805 採集地 中國 四川省 海拔 3300 生境 路旁陽處 習性 物候期 有花無果