长孢滨禾蕨 chang bao bin he jue

Grammitis nuda Tagawa, Acta Phytotax. Geobot. 10: 284. 1941.

Stipe sessile or very short, up to 0.4 mm, with sparse short simple tufted hairs up to 0.1 mm; phyllopodia absent. Lamina linear to linear-oblong, 3-10 × 0.3-0.6 cm, almost glabrous on both surfaces, sometimes with occasional to sparse solitary to tufted simple and forked pale brown hairs on margin and abaxial side of midrib (mostly only in young fronds), base narrowly attenuate to cuneate, margin entire, apex bluntly obtuse to slightly emarginate; midribs distinct and prominent on both sides, usually brown on adaxial surface, brown or more often dark brown on abaxial surface; lateral veins hidden, simple or 1-forked when soriferous, acroscopic branch not extending beyond sorus, endings with hydathodes. Sori medial or slightly nearer to midrib, elliptic to linear-oblong, or sometimes slightly recurved, sunken and distinctly prominent on adaxial surface of lamina. Sporangia glabrous.

● Among moss on tree trunks in dense mountain forests; ca. 100 m. Taiwan (Pingdong).