长白棘豆Oxytropis anertii

中文名(Chinese Name):长白棘豆
学名(Scientific Name):Oxytropis anertii Nakai ex Kitag.
英文名(English Common Name):
别名(Chinese Common Name):毛棘豆
异名(Synonym):
科属(Family & Genus):蝶形花科,Fabaceae,棘豆属
形态特征(Description):多年生草本,高5-25厘米。根圆锥状、圆柱状,侧根少,直伸。茎极缩短,丛生羽状复叶长4-12厘米;托叶膜质,卵状披针形,长约15毫米,于3/4处于叶柄贴生,分离部分先端长渐尖,疏被白色长柔毛;叶柄与叶轴上面有沟,于小叶之间被腺点,疏被微曲柔毛;小叶 (17) 21-33,卵状披针形、卵形或长圆形,长5-12毫米,宽2-4毫米,先端渐尖,基部圆形,边缘微卷,两面沿中脉及边缘疏被白色长柔毛。2-7花组成头形总状花序;总花梗与叶近等长,长4-8厘米,被微曲柔毛;苞片草质,卵状披针形至狭披针形,长约10毫米,先端渐尖,基部圆形,疏被白色柔毛;花长17-20毫米;花梗极短;花萼草质,筒状,长约11毫米,密被白色柔毛,有时杂生黑色短柔毛,萼齿三角形,长约4毫米;花冠淡蓝紫色,旗瓣长19-20毫米,瓣片长圆形,宽9毫米,先端深凹,近2裂,瓣柄长7毫米,翼瓣长12-13毫米,先端斜宽而微凹,瓣柄长7毫米,具耳,龙骨瓣长12-13毫米,喙极短,长不超过1毫米,瓣柄长7毫米;子房密被毛至无毛。荚果卵形至卵状长圆形,膨胀,长14-22毫米,先端渐尖,具弯曲长喙,基部稍圆,被棕色短糙毛并混生淡黄色毛或无毛,隔膜窄,宽2-2.5毫米,不完全2室;果梗长3毫米。种子多数,圆肾形,宽约3毫米,深褐色。花期6-7月,果期7-9月。
分布(Distribution):产吉林省长白山,生于海拔2000-2660米的高山冻原、高山草甸、高山草原、高山石缝、林缘和阳山坡。朝鲜也有。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 458, 481, 484
Oxytropis anertii Nakai in Nakai et al., Rep. Exped. Man­choukuo Sect. IV, Pt. 2, Contr. Cogn. Fl. Manshuricae. 125. 1935.
长白棘豆 chang bai ji dou | Fabaceae  | Oxytropis
Oxytropis anertii f. albiflora (Z. J. Zong & X. R. He) X. Y. Zhu & H. Ohashi; O. anertii var. albiflora Z. J. Zong & X. R. He.
Herbs, 6-8(-10) cm tall, acaulescent, from a well-devel­oped multiheaded caudex, tufted. Branches with a thatch of marcescent leaves, with long trichomes when young. Stipules narrowly triangular, 5-13 × 2-5 mm, connate for more than basal half. Leaves 3.5-8 cm or 16-27 cm, 17-35-foliolate; leaf­let blades ovate, 5-10 × 1-3 mm, subglabrous. Racemes rather lax, 2-8-flowered; peduncle 3-6 cm, as long as to slightly longer than leaves, with short trichomes; bracts triangular, 2-3 × ca. 2 mm, pubescent. Calyx campanulate, 8-10.5 × 2-3 mm, with whitish trichomes; lobes subulate, 2-3 × 0.5-1 mm. Corolla blue, bluish purple, or light purple; standard 1.5-2 cm, lamina obovate, apex emarginate; wings 1.6-1.8 cm, lamina obovate, apex 2-lobed; keel ca. 1.3 cm, beak ca. 1 mm. Legume sessile, ovoid to oblong, 1.3-2.4 × 0.6-1 cm, inflated, glabrous or pubescent. Fl. Jun-Aug, fr. Aug-Sep.
Gravelly alpine grasslands, forest margins, damp places, frozen soils in alpine areas; 1800-3000 m. Jilin [Korea].
长白棘豆Oxytropis anertii



长白棘豆Oxytropis anertii(责任编辑:徐晔春)

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