雨蕨 yu jue

Polypodium dareiforme Hooker, Sec. Cent. Ferns, t. 24. 1860 ["dareaeforme"]; Araiostegia dareiformis (Hooker) Copeland; Davallia dareiformis (Hooker) Levinge ex C. B. Clarke; Leucostegia dareiformis (Hooker) Beddome; P. dareiformioides Ching.

Rhizome short, 4-5 mm in diam. excluding scales; scales light brown, without pale border, 2-10 mm, evenly narrowed toward apex. Stipe dark brown, 4-15 cm; lamina 3- or 4-pinnate toward base and in middle part, triangular and broadest toward base, or elongate, often narrowed toward base, 7-37 × 7-22 cm, glabrous; longest stalk 2-6 mm; longest pinnae 4.5-20 × 1.5-6 cm; longest pinnules or pinna lobes 15-40 × 6-25 mm; ultimate pinnules linear-oblong, lobed almost to midrib; ultimate segments 0.5-5 × 0.5-1 mm.

Epiphytic on moss-covered tree trunks, epilithic in evergreen forests; 1200-2600 m. Guangxi, Guizhou, Hainan, Hunan, Yunnan [Bhutan, India, Myanmar, Nepal, Thailand].