长毛蕗蕨 chang mao lu jue

Mecodium oligosorum (Makino) H. Itô.

Rhizome long creeping, glabrescent. Stipe 5-10 mm, wingless except at base of lamina. Rachis winged to base, wings flat, entire. Lamina bipinnatifid to tripinnatifid, ovate to lanceolate, 1-5 cm. Fronds abaxially with persistent long hairs along stipe, rachis, and veins. Involucre ovate or rounded, apex slightly toothed. 2n = 42.

Usually on tree trunks in forests; 600-1600 m. Jiangxi, Taiwan [Japan, Korea].