Production RegionsPrimarily produced in the Chinese provinces of Anhui, Hubei, Shaanxi, Zhejiang.
Macroscopic FeaturesEpimedium brevicornum Maxim.: Stem is thin cylindrical, about 20cm long, externally yellowish-green or pale yellow, lustrous. Opposing leaves, biternate compound leaves; leaflets are oval, 3~8cm long, 2~6cm wide; tip is slightly pointed, heart-shaped leaflet grows from the tip; leaflets on both sides have a flat heart shape, the outer side is relatively large, with an ear-like shape; edge has yellow spiny thin saw-teeth; upper surface is yellowish-green, lower surface is grayish-green, 7~9 main veins, base has loose thin and long hairs, two sides of thin vein are raised, obvious reticular veins; leaflet stem is 1~5cm long. Leaf is nearly leathery. faint odor, slightly bitter taste. Epimedium sagittatum (Sieb.et Zucc.) Maxim.: Ternately compound leaf, leaflet is long oval to oval-lanceolate shape, 4~12cm long, 2.5~5cm wide; tip is gradually pointed, leaflet of both sides are obviously sloped, outer side is arrow-shaped. Lower surface loosely covered thick and short downy hair or nearly no hairs. Leaf is leathery. Epimedium pubescen s Maxim.: Lower surface of leaf and leaf stem all covered tuft-like soft hairs. Epimedium wushanense T. S.Ying: Leaflet is lanceolate to narrow lanceolate shape, 9~23cm long, 1.8~4.5cm wide; tip is gradually pointed or gradually long pointed, edge has spiny teeth, side growing leaflet base has sloped lobe, inner side lob is small, round, outer side lobe is large, triangular, gradually pointed. Lower surface covered cotton-like hairs or no hairs. Epimedium koreanum Nakai.: Leaflet is relatively large, 4~10cm long, 3.5~7cm wide, tip is long and pointed. Leaf is relatively thin.
OriginThe dried aerial portion of Epimedium brevicornum Maxim., Epimedium sagittatum (Sieb.et Zucc.) Maxim., Epimedium pubescens Maxim., Epimedium wushanense T. S.Ying, Epimedium koreanum Nakai.(Beriberidaceae).