Chicken Blood Vine, Chinese medicine name. It is the dried vine stem of Spatholobus suberectus?Dunn, a leguminous plant. Harvested in the fall and winter, remove the branches and leaves, sliced and dried. Distributed in Guangdong, Guangxi, Yunnan and other places. It has the effect of activating blood and tonifying blood, regulating menstruation and relieving pain, and relaxing tendons and activating collaterals. It is used for irregular menstruation, dysmenorrhea, menstrual closure, rheumatic paralysis, blood deficiency and atrophy.

Physiological Characteristics

Woody vine, glabrous except for the inflorescence and young parts with yellow-brown pilose. Leaves pinnately compound; leaflets 7-9, ovate-oblong elliptic or ovate-lanceolate, 4-12 centimeters long, 1.5-5.5 centimeters wide, both surfaces glabrous, reticulate veins evident. Panicles terminal, pendulous, with yellow sparsely pilose inflorescence, flowers numerous and crowded, borne singly on the nodes of the inflorescence; calyx campanulate, cleft teeth short and obtuse; corolla purple or rose-red, glabrous. Pods flat, linear, up to 15 cm long, ca. 2 cm wide, fruiting petals nearly woody, constricted between seeds; seeds compressed round. Flowering and fruiting from July to October.