短梗黃耆檢視原始碼討論檢視歷史

短梗黃耆

來自 植物智 的圖片

中文名:短梗黃耆 拉丁學名:Astragalus breviscapus B. Fedtschenko 門:被子植物門 科:豆科 屬:黃耆屬

短梗黃耆(duǎn gěng huáng qí)，學名 Astragalus breviscapus B. Fedtschenko，異名：Astragalus oophorus  ，是豆科、黃耆屬植物。分布於新疆維吾爾自治區。

形態特徵

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.

分類文獻

FOC >> Vol.10 (2010) >> Fabaceae >> Astragalus 371.Astragalus breviscapus B. Fedtschenko Trudy Imp. S.-Peterburgsk. Bot. Sada. 24: 234. 1905.

短梗黃耆 duan geng huang qi Astragalus oophorus Freyn (1905), not S. Watson (1871).

產地生境

Xinjiang (W Kunlun Shan) [Kashmir, Kyrgyzstan, Tajikistan].

標本信息

學名 Astragalus breviscapus B.Fedtsch. 中文名 鑑定人 D.Podlech.Munchen 鑑定時間 20050000

採集信息

採集人 中國科學院新疆綜合考察隊 採集號 578 採集時間 19590609 採集地 中國 新疆維吾爾自治區 海拔 生境 山前台地 習性 物候期 有花有果