哈密黃耆檢視原始碼討論檢視歷史
哈密黃耆 |
中文學名:哈密黃耆 拉丁學名:Astragalus hamiensis S. B. Ho in Bull. 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:豆目 科:豆科 屬:黃芪屬 種:哈密黃耆 |
哈密黃耆(hā mì huáng qí,學名:Astragalus hamiensis S. B. Ho in Bull.,異名 Astragalus centraligobicus Astragalus banzragczii )為豆科黃芪屬的植物,為中國的特有植物。分布於中國大陸的內蒙古、新疆、甘肅等地,常生於戈壁灘上及近水的砂地。 [1]
哈密黃耆形態特徵
多年生草本,高20-40厘米,疏被灰白色貼伏毛。 莖直立,多分枝。
羽狀複葉有5-9片小葉,長4-5厘米,具短葉柄;托葉三角形,下部多少合生;小葉橢圓形、披針形或卵圓形,長10-20毫米,寬5-10毫米,先端鈍圓或急尖,基部近圓形或寬楔形。
總狀花序生6-15花,排列較緊密;總花梗長5-8厘米,苞片披針形,較花梗長,被白色毛;花萼鍾狀管形,長7-8毫米,萼齒鑽形,長為筒部的1/3或1/2;
花冠白色或淡紅色,旗瓣倒卵形,長13-15毫米,寬6-7毫米,先端微缺,瓣柄不明顯,翼瓣較旗瓣稍短,瓣片狹長圓形,先端鈍圓,瓣柄與瓣片等長,龍骨瓣與翼瓣等長或稍短,瓣片長圓形,較瓣柄稍長;子房無柄,被白色伏貼毛。
莢果細圓柱形,微彎,長3-4厘米,粗2-3毫米,被白色伏貼毛或半開展毛,2室,每室含多顆種子。
花期4-5月,果期6-8月。[2]
Astragalus hamiensis S. B. Ho in Bull. Bot. Res. 3 (1): 43. f. 2. 1983; 中國沙漠植物志2: 271. 圖版96 (21-25). 1987.
Astragalus banzragczii N. Ulziykhutag; A. centraligobicus Z. Y. Chu & Y. Z. Zhao.
Plants 12-40 cm tall, caespitose, with appressed ± medi-fixed white hairs. Stems several to numerous, ascending to erect, sparsely to loosely covered with hairs 0.3-0.5 mm, often strongly glabrescent with age. Leaves 3-5 cm; stipules nearly semiamplexicaul, 3-4 mm, shortly adnate to petiole, loosely hairy; petiole 0.5-2.5 cm, like rachis loosely hairy; leaflets in (2 or)3 or 4 pairs, remote, ± elliptic, 10-20 × 4-10 mm, both sur-faces loosely covered with hairs 0.8-1 mm, apex acute or acu-minate. Racemes 4-15-flowered; peduncle 5-8 cm, hairy like stem; bracts 3-4 mm, sparsely to loosely hairy. Calyx 7-8 mm, loosely to rather densely hairy; teeth unequal, 1-2 mm. Petals whitish to pinkish; standard obovate, 13-15 × 6-7 mm, apex emarginate; wings 11-13 mm; keel 13-14 mm. Legumes ses-sile, erect, linear, straight to slightly curved, 25-40 mm, 2-3 mm high and wide, with a straight beak 1-2 mm, 2-locular; valves slightly knobby by seeds, loosely covered with ap-pressed hairs up to 1 mm.
Gansu, Nei Mongol, Xinjiang [Mongolia].
哈密黃耆生長環境
生長於戈壁灘上及近水的砂地。[3]
哈密黃耆分布範圍
模式標本采自新疆哈密。 [4]