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星状雪兔子Saussurea stella

时间:2013-11-11 14:17来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 星状雪兔子 学名( Scientific Name ): Saussurea stella Maxim. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 菊科Compositae风毛菊属Saussurea 形态特
中文名(Chinese Name):星状雪兔子
学名(Scientific Name):Saussurea stella Maxim.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):菊科Compositae风毛菊属Saussurea
形态特征(Description):无茎莲座状草本,全株光滑无毛。根倒圆锥状,深褐色。叶莲座状,星状排列,线状披针形,长3-19厘米,宽3-10毫米,无柄,中部以上长渐尖,向基部常卵状扩大,边缘全缘,两面同色,紫红色或近基部紫红色,或绿色,无毛。头状花序无小花梗,多数,在莲座状叶丛中密集成半球形的直径为4-6厘米的总花序。总苞圆柱形,直径8-10毫米;总苞片5层,覆瓦状排列,外层长圆形,长9毫米,宽3毫米,顶端圆形,中层狭长圆形,长10毫米,宽5毫米,顶端圆形,内层线形,长1.2厘米,宽3毫米,顶端钝;全部总苞片外面无毛,但中层与外层苞片边缘有睫毛。小花紫色,长1.7厘米,细管部长1.2厘米,檐部长5毫米。瘦果圆柱状,长5毫米,顶端具膜质的冠状边缘。冠毛白色,2层,外层短,糙毛状,长3毫米,内层长,羽毛状,长1.3厘米。花果期7-9月。
分布(Distribution):分布甘肃、青海、四川、云南、西藏。生于高山草地、山坡灌丛草地、河边或沼泽草地、河滩地,海拔2000-5400米。锡金、不丹也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 20-21 Page 56, 57, 60
Saussurea stella Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 27: 490. 1882.
星状雪兔子 xing zhuang xue tu zi | Asteraceae  | Saussurea
Saussurea stella
Credit: Harvard University Herbaria
Herbs 2-5 cm tall, perennial, monocarpic, stemless. Rosette leaves sessile; leaf blade very narrowly triangular-ovate to linear but basally ovately widened, 2.5-20 × 0.3-1.3 cm, both surfaces glabrous, adaxially purplish red in basal part but green in apical part, margin entire, apex long acuminate. Capitula 2-25, in center of leaf rosette, in a hemispheric synflorescence 2-6 cm in diam., sessile. Involucre cylindric, 8-10 mm in diam. Phyllaries in ca. 5 rows, glabrous, basally hyaline, apically purple, apex rounded to obtuse and ciliate; outer phyllaries oblong or spatulate, 6-9 × 2-3(-5) mm; middle phyllaries narrowly oblong, 7-12 × 1.5-2 mm; inner phyllaries linear, 12-14 × 1-1.5 mm. Receptacle bristles white, 1-3 mm. Corolla purple, 1.3-1.7 cm, tube 0.8-1.2 cm, limb 5-6 mm, lobes 3-3.5 mm. Achene ivory-colored with dark spots, obconic, 2-3(-5) mm, obtusely 5-ribbed, glabrous, apex with a few-dentate ca. 1 mm crown. Pappus dirty white to light brown, in 1 row; bristles 0.9-1.3 cm, unequal in width, plumose, persistent. Fl. and fr. Jul-Sep.
Alpine grasslands, marshlands near rivers and lakes, wet meadows, bogs; 2000-5400 m. Gansu, Qinghai, W Sichuan, Xizang, NW Yunnan [Bhutan, India (Sikkim)].
 




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