栏目

短花梗黄耆Astragalus hancockii Bunge

短花梗黄耆Astragalus hancockii Bunge

别名:短梗黄耆;短花梗花蓍;短梗黄芪;短花梗黄芪;

科名:豆科 Leguminosae

属名:黄耆属 Astragalus

《中国植物志》第42(1)卷119页
  34. 短花梗黄耆(中国主要植物图说·豆科)图版30: 9-18
  Astragalus hancockii Bunge in Mel. Biol. 10: 640. 1877; id. in Bull. Acad. Sci. St. Petersb. 26: 471. 1880; Simps. in Not. Roy. Bot. Gard. Edinb. 8: 255. 1915; Hand. -Mazz. Symb. Sin. 7: 555. 1933; Pet. -Stib. in Acta Hort. Gothob. 12: 46. 1937-1938; 中国主要植物图说·豆科407. 图401. 1955. ——A. oroboides Ulbr. in Fedde Repert. Sp. Nov. Beih. 12: 418. 1922. non Hornem. 1810.——A. saxicola Ulbr. op. cit. 423.
  多年生草本;根直伸。茎多丛生,具棱,高20-50厘米,除花序外全株近无毛。羽状复叶长5-10厘米,有7-13片小叶;叶柄长1-2厘米,上部的叶柄极短;托叶膜质,中部以下合生,披针形,长6-12毫米,宽2-4毫米;小叶长圆形,椭圆形或近圆形,长5-15毫米,宽3-10毫米,先端钝或微凹,基部宽楔形或近圆形,两面无毛,具短柄。总状花序稍密,有花10余朵;花序轴疏被棕色或黑色柔毛,于花后伸长;总花梗较叶长2-3倍;花梗长1-2毫米,密被柔毛;花萼钟状,长6-7毫米,外面被棕色或黑色伏贴柔毛,萼齿钻形,长约为萼筒的1/2;花冠淡黄色,旗瓣长圆形,长15-16毫米,先端微凹,基部具短瓣柄,翼瓣长约13毫米,瓣片狭长圆形,宽约2毫米,先端钝圆,基部具短耳,瓣柄长约5毫米,龙骨瓣最短,长9-10毫米,瓣片半卵形,瓣柄长约5毫米;子房线形,无毛,具短柄。荚果狭卵形,长约16毫米,宽约6毫米,两端尖,表面无毛,具网纹,1室,果颈与萼筒近等长,种子5-6颗,肾形,长约1毫米,暗褐色。花期5-6月,果期8-9月。
  产河北小五台山(模式标本产地)。生于海拔1500-2700米的山坡、石隙及沟旁湿处。

《Flora of China》 Vol. 10 (2010)
Astragalus hancockii  Bunge Bull. Acad. Imp. Sci. Saint-Pétersbourg. 26: 471. 1880.
短花梗黄耆   duan hua geng huang qi
Astragalus saxicola Ulbrich.
Plants 20-35 cm tall, vegetative parts subglabrous, with hairs 0.3-0.5 mm. Stems at base up to 3 mm thick. Leaves 4-9 cm; lowest stipules acuminately ovate, ca. 6 mm, upper ones narrowly triangular, 8-12 mm, all or only lower ones high vagi-nate-connate behind stem; rachis subglabrous, only at insertion of leaflets mostly with a small tuft of short white or rarely blackish hairs; leaflets in 3-7 pairs, elliptic, 10-22 × 3-10 mm, abaxially grayish green with darker venation, adaxially dull green, apex rounded to emarginate. Racemes densely many flowered, strongly elongated, up to 12 cm in fruit; peduncle 8-14 cm, glabrous; bracts whitish, linear-acuminate, 5-6 mm, sparsely black hairy. Bracteoles sometimes present, minute. Ca-lyx campanulate-tubular, 6-7 mm, loosely to densely covered with short blackish and whitish hairs; teeth 3-3.5 mm. Petals pale yellow to whitish or purplish; standard oblong to elliptic, 14-17 × 5-6 mm; wings 11-13 mm; keel 8-10 mm. Legumes with a stipe 5-6 mm, obliquely elliptic to nearly narrowly semicircular as seen from side, with strongly curved ventral edge and nearly straight dorsal edge, strongly compressed later-ally, 10-15 mm, 5-6 mm high, sharply keeled ventrally, 1-locu-lar; valves glabrous, brownish.
● Hebei.

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