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The Leathery wood fern (Dryopteris lacera) belongs to the family Dryopteridaceae. It is an evergreen fern that is distributed from Miyagi Prefecture of Honshu westward to Shikoku and Kyushu in Japan, as well as Taiwan, the Korean Peninsula, and China. It grows in forests and along roadsides, and is 40 to 80 cm tall. Only the upper part of the leaf is covered with sorus fertile fronds, which die in fall. The lobes are pointed at the tips and the veins are bifurcated with a concave surface. The petiole and rachis have blackish brown scales, which give it its Japanese name. In Taiwanese Chinese it is called "二型鱗毛蕨" and in Chinese "狭頂鱗毛蕨" (xia ding lin mao jue).
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