Alias: Shiye, Young and Old Leaves, Chisel Tree, Shigang.
Plant morphology: evergreen shrub or small tree, height 10m, smooth branches. Leaf blade is leathery, oblong, obovate, obovate-elliptic, 8-22 cm long and 2.5-6.5 cm wide, the base is broadly wedge-shaped or round, the edge is sparsely glandular serrated, the base is nearly entire, the midvein to the petiole is villous when young, then falls off, and both sides are hairless; Petiole is 2 ~ 4 cm long. Inflorescences in compound corymbose inflorescences are numerous and dense; Peduncle and pedicel have no lenticels; Flowers white, 6 ~ 8 mm in diameter; Petals are nearly round, and the inner surface near the base is glabrous; The top of the ovary is hairy, and the style is 2 ~ 3-lobed. Pear fruit is nearly spherical, about 5 mm in diameter, red and then purple-brown. The flowering period is from April to May, and the fruiting period is 65438+1October. Wild or cultivated. Distributed in Anhui, Jiangsu, Zhejiang, Guangdong, Guangxi, Sichuan, Yunnan and Gansu.
Harvest: it can be harvested and dried all year round.
Properties: The upper surface of leaves is dark green to brownish purple, smooth, the lower surface is light green to brownish purple, the main veins are prominent, and the lateral veins are feathery; Usually petiolate. Leather is brittle. Slight breath, bitter taste.
Chemical composition: It contains hydrocyanic acid, Pleurotus eryngii, ursolic acid, saponin and volatile oil.
Nature and taste: flat, pungent and bitter; A little poisonous.
Indications: expelling wind and tonifying kidney. Can be used for rheumatism, myalgia, impotence and nocturnal emission. ?