亞黃耆
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中文名:亞黃耆 拉丁學名: Astragalus consanguineus Bong. & C.A.Mey. 門:被子植物門 科:豆科 屬:黃耆屬 |
亞黃耆(yà huáng qí)，學名 Astragalus consanguineus Bongard ，是豆科、黃耆屬植物。分布於新疆維吾爾自治區西部。 [1]
目錄
形態特徵
Plants (20-)30-50 cm tall; hairs medifixed, appressed, 0.1-0.25 mm. Stems mostly several, erect, (15-)30-50 cm, weakly branched in lower part, sparsely to more rarely loosely white hairy or sometimes with scattered hairs only.
Leaves 4-6 cm; stipules 2-3 mm, covered with scattered appressed hairs, lower ones shortly vaginate-connate, upper ones free from each other; petiole 0.5-1 cm, with rachis hairy like stem;
leaflets in 6-9 pairs, narrowly elliptic, 6-12 × 2-3 mm, abaxially sparsely appressed hairy, adaxially glabrous, apex subobtuse to some-times slightly retuse.
Racemes 1.5-3 cm, loosely few to many flowered, elongating in fruit; peduncle 1.5-7 cm, very sparsely white and black hairy or subglabrous; bracts ca. 1 mm, white and black ciliate.
Calyx 2-2.5 mm, sparsely white hairy, some-times with a few black hairs mixed in; teeth 0.5-0.8 mm. Petals pale violet; standard elliptic to obovate, 6-8 mm, apex emar-ginate; wings 5.5-6.5 mm;
keel 4.5-5 mm. Legumes sessile, slightly curved, 7-10 mm, 1.5-2 mm high, with a beak 0.5-1 mm, incompletely to nearly fully 2-locular; valves thin, loosely white hairy.
產地
Xinjiang [Kazakhstan, Russia (Siberia)].
標本鑑定信息
學名 Astragalus consanguineus Bong. & C.A.Mey. 中文名 鑑定人 L.R.Xu 鑑定時間 20050428
採集信息
採集人 採集號 0102 採集時間 19590524 採集地 中國 新疆維吾爾自治區 海拔 生境 習性 物候期 有花無果