一点血Stephania dielsiana

中文名(Chinese Name):一点血
学名(Scientific Name):Stephania dielsiana Y. C. Wu
英文名(English Common Name):
别名(Chinese Common Name):血散薯
异名(Synonym):
科属(Family & Genus):防己科(Menispermaceae)千金藤属
形态特征(Description):草质、落叶藤本,长2-3米,枝、叶含红色液汁;块根硕大,露于地面,褐色,表面有凸起的皮孔;枝稍肥壮,常紫红色,无毛。叶纸质,三角状近圆形,长5-15厘米,宽4.5-14厘米,顶端有凸尖,基部微圆至近截平,两面无毛;掌状脉8-10条,向上和平伸的5-6条,网脉纤细,均紫色;叶柄与叶片近等长或稍过之。复伞形聚伞花序腋生或生于腋生、常具小型叶的短枝上,雄花序1至3回伞状分枝,小聚伞花序有梗,常数个聚于伞梗的末端;雄花:萼片6,倒卵形至倒披针形,长约1.5毫米,内轮稍阔,均有紫色条纹;花瓣3,肉质,贝壳状,长约1.2毫米,常紫色或带橙黄;雌花序近头状,小聚伞花序几无梗;雌花:萼片1,花瓣2,均较雄花的小。核果红色,倒卵圆形,甚扁,长约7毫米;果核背部两侧各有2列钩状小刺,每列18-20颗,胎座迹穿孔。花期夏初。
分布(Distribution):产广东、广西、贵州和湖南,常生于林中、林缘或溪边多石砾的地方。
用途(Use):块根含青藤碱 (sinomenine) 等多种生物碱。民间入药,味苦性寒,功能消肿解毒、健胃止痛。
引自中国植物志英文版:FOC Vol. 7 Page 18, 25
Stephania dielsiana Y. C. Wu, Bot. Jahrb. Syst. 71: 174. 1940.
血散薯 xue san shu| Menispermaceae  | Stephania
Herbaceous and deciduous vines, 2-3 m. Root tuberous, huge, exposed, brown, prominently lenticellate. Branches slightly stout, containing red juice, often purplish red, glabrous. Petiole subequal to or slightly longer than leaf blade; leaf blade triangular-rotund, 5-15 × 4.5-14 cm, papery, both surfaces glabrous, base slightly rounded to subtruncate, apex with mucronate acumen, palmately 8-10-veined, reticulation slender, purple. Inflorescences compound umbelliform cymes, axillary or on short axillary branches with reduced leaves. Male inflorescences with 1-3 orders of branching; cymelets with pedicels often many inserted at end of umbellet pedicel. Male flowers: sepals 6, with purple stripes, obovate to oblanceolate, ca. 1.5 mm, inner whorl slightly wider; petals 3, fleshy, often purple or slightly orange, conchiform, ca. 1.2 mm. Female inflorescences subcapitate; cymelets almost sessile. Female flowers: sepal 1; petals 2, smaller than in male. Drupes red, obovoid, rather flat, ca. 7 mm. Fl. early summer.
● Forests, forest margins, stony places at streamsides. Guangdong, Guangxi, S Guizhou, S Hunan.
一点血Stephania dielsiana

一点血Stephania dielsiana

一点血Stephania dielsiana

一点血Stephania dielsiana

一点血Stephania dielsiana(责任编辑:徐晔春)

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