粉背蕨 Aleuritopteris pseudofarinosa Ching & S.K. Wu fern

Aleuritopteris pseudofarinosa is native to China. The rhizome is short and upright, and the top is densely covered with scales; the middle of the scales is black, the edge is light brown, lanceolate, and the apex is long diamond. The leaves are clustered; the stalk is chestnut brown, shiny, and the base is sparsely covered with broad lanceolate scales, smooth upward; the leaf blade is triangular-ovoid-lanceolate, 10 to 25 cm long, 5 to 10 cm wide, at the base The widest, three feathers, the middle two feathers, and the top feathers; the lateral pinnaes are opposite or nearly opposite, 5-6 pairs of small pinnaes, close to each other, whole, papery or thin after the leaves are dry Leathery, light brown green on the top, smooth, and white silty on the bottom. It can be used for medicine to cure cough, diarrhea.