黑藥黃耆
| 黑藥黃耆 |
 |
|
中文名:黑藥黃耆 拉丁學名: Astragalus athranthus Podl. & L.R.Xu 門:被子植物門 科:豆科 屬:黃耆屬 |
黑藥黃耆(hēi yào huáng qí)，學名 Astragalus burchan-buddaicus N. Ulziykhutag ，是豆科、黃耆屬植物。分布於青海省。 [1]
形態特徵
Plants ca. 15 cm tall. Caudex with ± elongated, slender, branched stolons. Stems 3-10 cm, loosely to densely covered with appressed hairs 0.3-0.5 mm, basal parts and stolons gla-brous.
Leaves 3.5-5.5 cm; stipules adnate to petiole for 1-2 mm, those of lower leaves membranous, triangular, 3-4 mm, shortly vaginate-connate behind stem, glabrous or sparsely hairy, those of upper leaves greenish, narrowly triangular, 5-7 mm, free from each other, loosely white and black hairy;
petiole 1-1.5 cm, like rachis loosely covered with appressed to slightly ascending, tangled hairs 0.3-0.5 mm; leaflets in 5-8 pairs, nar-rowly elliptic, 6-18 × 2-3.5 mm, abaxially loosely to densely appressed hairy, adaxially glabrous, apex obtuse to acute.
Ra-cemes ovoid, ca. 3 cm, densely many flowered; peduncle 4-7 cm, rather densely hairy; bracts whitish membranous, 4(-5) mm, black hairy. Calyx 5-6 mm, ± densely covered with slightly ascending black hairs 0.5-1 mm;
teeth 2-3 mm. Petals yellowish when dry; standard oblong-obovate, ca. 9 × 4 mm, apex emarginate; wings ca. 7 mm, limbs obovate-spatulate, truncate;
keel ca. 6 mm. Ovary sessile, widely ovoid, glabrous. Legumes unknown.
分類文獻
FOC >> Vol.10 (2010) >> Fabaceae >> Astragalus 130.Astragalus athranthus Podlech & L. R. Xu Novon. 17: 228. 2007. 黑藥黃耆 hei yao huang qi
產地
● Qinghai.
標本信息
學名 Astragalus athranthus Podl. & L.R.Xu 中文名 黑藥黃耆 鑑定人 L.R.Xu 鑑定時間 19980508 模式類型 holotype
採集信息
採集人 青甘隊 採集號 578 採集時間 19590705 採集地 中國 青海省 海拔 4020 生境 山溝淨流溝 習性 物候期 有花無果