短梗黄耆查看源代码讨论查看历史
| 短梗黄耆 |
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中文名:短梗黄耆 拉丁学名:Astragalus breviscapus B. Fedtschenko 门:被子植物门 科:豆科 属:黄耆属 |
短梗黄耆(duǎn gěng huáng qí)，学名 Astragalus breviscapus B. Fedtschenko，异名：Astragalus oophorus ，是豆科、黄耆属植物。分布于新疆维吾尔自治区。 [1]
形态特征
Plants 6-13 cm tall, subacaulescent to shortly caulescent, vegetative parts covered with white hairs. Stems several, 0.5-2(-5) cm;
very densely covered with unequally bifurcate, tangled, ascending hairs 0.8-1 mm. Leaves 2-11 cm; stipules nearly free from petiole, loosely hairy;
petiole 0.8-4.5 cm, like rachis loosely to densely covered with unequally bifurcate, as-cending to spreading hairs 1-2 mm; leaflets in 3-6 pairs, 5-18 × 2-13 mm, abaxially loosely to densely and adaxially loosely hairy like rachis.
Racemes 3.5-6(-8) × 3.5(-4) cm, densely many flowered; peduncle 0.6-2.2 cm, densely hairy like rachis; bracts 7-12 mm, with strongly asymmetrically bifurcate to basi-fixed, spreading, white or black and white hairs.
Calyx at anthe-sis or later in fruit inflated ovoid, 17-22 mm, rather densely covered with strongly asymmetrically bifurcate to basifixed, ± spreading, white hairs 2-3 mm, sometimes with shorter black hairs mixed in;
teeth 5-8(-9) mm. Petals pinkish violet, drying yellow; standard obovate-pandurate, (17-)20-24(-27) × ca. 7 mm, slightly constricted below middle; wings (14-)20-23(-27) mm; keel nearly as long as wings.
Legumes subsessile, 8-12 mm, 3.5-4 mm high, compressed laterally, with a reflexed beak 2.5-3 mm, nearly 2-locular; valves with spreading white hairs ca. 3 mm.
分类文献
FOC >> Vol.10 (2010) >> Fabaceae >> Astragalus 371.Astragalus breviscapus B. Fedtschenko Trudy Imp. S.-Peterburgsk. Bot. Sada. 24: 234. 1905.
短梗黄耆 duan geng huang qi Astragalus oophorus Freyn (1905), not S. Watson (1871).
产地生境
Xinjiang (W Kunlun Shan) [Kashmir, Kyrgyzstan, Tajikistan].
标本信息
学名 Astragalus breviscapus B.Fedtsch. 中文名 鉴定人 D.Podlech.Munchen 鉴定时间 20050000
采集信息
采集人 中国科学院新疆综合考察队 采集号 578 采集时间 19590609 采集地 中国 新疆维吾尔自治区 海拔 生境 山前台地 习性 物候期 有花有果