[synonym] Bian te and Bian Du (Tang materia medica).
[source] it is the root, stem and leaf of Ranunculaceae.
[plant morphology] niubian
Herbs perennial, with taproot. The stem is (40 ～) 60 ～ 110 cm high, with retroflexed pubescence. Basal leaves 1-5, long stalked with lower stem leaves; leaves 5.5-15 cm long and 10-22 cm wide, reniform, pubescent on both sides, 3-lobed, central lobe rhombic, 3-lobed in the middle, 2-lobed with narrow ovate lobules. Inflorescence racemose; bracteoles, middle pedicel, strip; sepals 5, yellow, upper sepals cylindric; petals 2, clawed, nearly as long as petals; stamens numerous; carpels 3. Follicles 3, ca. 8 mm.
It grows in mountain forest or grassland near forest. Distributed in Gansu, Shaanxi, Shanxi, Hebei and other places.
[Xing Wei] 1. Ben Jing: "it tastes bitter and slightly cold. "
② Bielu: "non toxic. "
[function and indications] Ben Jing: "it can control the heat of skin sores, and can be used as bath soup. "
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