棉团铁线莲Clematis hexapetala

中文名(Chinese Name):棉团铁线莲
学名(Scientific Name):Clematis hexapetala Pall.
英文名(English Common Name):
别名(Chinese Common Name):棉花子花
异名(Synonym):Clematis angustifolia var. breviloba Freyn  Clematis angustifolia var. dissecta Yabe  Clematis angustifolia var. longiloba Freyn  Clematis hexapetala var. longiloba (Freyn) S. Y. Hu  Clematis hexapetala var. smithiana S. Y. Hu  Clematis pallasii Gmelin  Clematis hexapetala f. longiloba (Freyn) S.H.Li & Y.H.Huang
科属(Family & Genus):毛茛科(Ranunculaceae)铁线莲属
形态特征(Description):直立草本,高30-100多厘米。老枝圆柱形,有纵沟;茎疏生柔毛,后变无毛。叶片近革质绿色,千后常变黑色,单叶至复叶,一至二回羽状深裂,裂片线状披针形,长椭圆状披针形至椭圆形,或线形,长1.5-10厘米,宽0.1-2厘米,顶端锐尖或凸尖,有时钝,全缘,两面或沿叶脉疏生长柔毛或近无毛,网脉突出。花序顶生,聚伞花序或为总状、圆锥状聚伞花序,有时花单生,花直径2.5-5厘米;萼片4-8, 通常6,白色,长椭圆形或狭倒卵形,长1-2.5厘米,宽0.3-1(-1.5)厘米卜,外面密生棉毛,花蕾时象棉花球,内面无毛;雄蕊无毛。瘦果倒卵形,扁平,密生柔毛,宿存花柱长1.5-3厘米,有灰白色长柔毛。花期6月至8月,果期7月至10月。
分布(Distribution):分布于甘肃、陕西、山西、河北、内蒙古、东北。生固定沙丘、干山坡或山坡草地。朝鲜、蒙古、俄罗斯西伯利亚东部也有。
用途(Use):根药用,有解热、镇痛、利尿、通经作用,治风湿症、水肿、神经痛、痔疮肿痛;作农药,对马铃薯疫病和红蜘蛛有良好防治作用(东北草本植物志)。
引自中国植物志英文版:FOC Vol. 6 Page 362     
Clematis hexapetala Pallas, Reise Russ. Reich. 3: 735. 1776.
棉团铁线莲 mian tuan tie xian lian| Ranunculaceae  | Clematis
Herbs perennial, erect, 30--100 cm tall. Stems simple or branched; branches shallowly 8--12-grooved, sparsely pubescent, glabrescent. Leaves 1- or 2-pinnatisect; petiole 0.5--2 cm; ultimate lobe linear-lanceolate, elliptic, or linear, 1.5--10 × 0.1--2(--2.6) cm, leathery, both surfaces sparsely pubescent to subglabrous and reticulate, base cuneate, margin entire, apex acute to obtuse; basal veins prominent on both surfaces. Cymes terminal or axillary, (1--)3- to many flowered; peduncle 3.5--8.5 cm; bracts foliaceous or undivided, lanceolate. Flowers 2.5--4 cm in diam. Pedicel 1--7 cm, puberulous to subglabrous. Sepals (4 or)5 or 6(--8), white, spreading, narrowly obovate to narrowly oblong, 1--2.5 × 0.3--1 cm, abaxially velutinous or glabrous except for velutinous margin, adaxially glabrous, apex rounded to subtruncate. Stamens 6--9 mm, glabrous; anthers narrowly oblong, 2.6--3.2 mm, apex minutely apiculate. Ovaries pubescent. Style 5.5--8 mm, densely villous. Achenes obovate, 2.5--3.5 × 2--3 mm, pubescent; persistent style 1.5--3 cm, plumose. Fl. Jun--Aug, fr. Jul--Oct.
Slopes, grassy areas, dunes; 100--1300 m. E Gansu, Hebei, Heilongjiang, W Henan, N Hubei, N Jiangsu, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, E Shandong, Shanxi [Korea, Mongolia, Russia (E Siberia)].
 棉团铁线莲Clematis hexapetala

棉团铁线莲Clematis hexapetala

棉团铁线莲Clematis hexapetala
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