带叶瓦韦 dai ye wa wei

Plants 20-30 cm tall. Rhizomes long creeping, 1-2 mm in diam., densely scaly; scales spreading, dark or light brown, iridescent, ovate-lanceolate, 2.2-6 × 0.8-1.5 mm, brittle, base broadly ovate, margin denticulate, apex long acuminate; lumina isodiametric at base, and oblong at apex, large and transparent. Fronds clustered, to 0.5 cm apart; stipe 0-7 cm, 0.8-1 mm in diam.; lamina yellowish on both surfaces when dried, linear, (13-)20-60 × 0.2-2.5 cm, widest at middle, softly leathery to thickly leathery, abaxially sparsely scaly, scales lanceolate, transparent; lamina margins strongly revolute when dried, apex acuminate; costa raised on both sides, red when fresh, veinlets obscure. Sori close to margin and usually covered by undulate, revolute margin, subovate, orbicular, or shortly clavate, 1.5-3 mm in diam.; paraphyses nearly black, irregularly stellate, 0.15-0.3 mm in diam., transparent, margin with long spines.

On tree trunks or in rock crevices in forests; 2000-3000 m. Gansu, Hubei, Shaanxi, Sichuan, Xizang, Yunnan [Bhutan, N India, Myanmar, Nepal].

A distinct species with spreading and transparent rhizome scales, red new leaves, mature leaves with a red costa when fresh, marginal sori, and stellate paraphyses.

Lower Taxa

• Lepisorus loriformis var. loriformis
• Lepisorus loriformis var. steniste (C. B. Clarke) Ching