一、引言雷公藤,学名Tripteryeium wi foridii Hook f,属卫茅科,是一种具有毒性的蔓生灌木。茎高270厘米左右,小枝呈暗红褐色,有长园形小瘤突起)具五稜,并生有绒毛。叶互生,卵园形或椭园形,长5—7厘米,宽2—5厘米,叶脉每侧通常五条,间或有4—6条。夏季,茎顶和叶腋抽出花轴,为白色小花,排列成圆锥花序,翅果先端园或稍成截形,果 I. Introduction Tripterygium, the scientific name Tripteryeium wi foridii Hook f, is Wei Mao Branch, is a toxic vine shrubs. Stems about 270 cm high, twigs dark brown, with long park-shaped tumor protruding) with five edges, and raw villi. Leaves alternate, ovate or elliptic, 5-7 cm long, 2-5 cm wide, veins usually five on each side, or between 4-6. Summer, the top of the stem and leaf axils out of the flower axis, as white flowers, arranged in a panicle, samara apex or slightly truncate, fruit