线片长片蕨(原变种) xian pian chang pian jue (yuan bian zhong)

Trichomanes obscurum Blume, Enum. Pl. Javae 2: 227. 1828; Cephalomanes obscurum (Blume) K. Iwatsuki; Selenodesmium obscurum (Blume) Copeland; S. recurvum Ching & P. S. Chiu.

Plants 8-30 cm tall. Rhizome suberect, densely covered with brown multicellular hairs at apex. Stipe dark brown, 3-12 cm. Lamina tripinnate to quadripinnatifid, 6-14 × 2-6 cm; pinnae oblong-lanceolate, 2-3 cm × 8-12 mm; pinnules oblong or oblong-lanceolate, apex acute. Involucres with non-dilated mouth.

On wet rocks; 200-1500 m (in Taiwan). Hainan, Taiwan, Yunnan [S India, Indonesia (Borneo), Japan, Malaysia, New Guinea, Philippines, Sri Lanka].