有边瓦韦 you bian wa wei

Plants 18-25 cm tall. Rhizomes creeping, brown, 2-2.5 mm in diam., densely scaly and softly brown hairy when young, later naked except near phyllopodia; scales brown with a dark apex, basifixed or peltate, broadly acuminately ovate, 0.5-1.5 mm long and wide, margin entire; lumina fine and dense, bases with usually adherent soft hairs. Fronds 0.2-3 cm apart; stipe straw-colored, 1-7(-10) cm, 1-1.5 mm in diam., smooth; lamina yellowish green on both surfaces when dried, narrowly lanceolate, 15-25 × 2-3(-4) cm, widest at middle, abaxially ± with small adnate brown ovate scales, adaxially glabrous, base attenuate, decurrent, margin narrowly callose, ± revolute and undulate when dried, apex acuminate; costa raised on both sides, veinlets obscure. Sori midway between costa and margins, orbicular or elliptic, 2.5-4 mm in diam., closely spaced, much raised on abaxial surface, depressed on adaxial surface; paraphyses brown, orbicular, 0.3-0.5 mm in diam.

● On tree trunks or rocks in forests; 900-2800 m. Chongqing, Gansu, Guizhou (Weining), Hebei, Henan, Hubei, Shaanxi, Shanxi, Sichuan.