喜马拉雅书带蕨 xi ma la ya shu dai jue

Vittaria himalayensis Ching, Sinensia 1: 190. 1931.

Rhizome shortly creeping, 3-5 mm thick; scales dark brown, bright iridescent, linear-lanceolate, ca. 10 × 1 mm, apex bristlelike, margin obviously denticulate. Fronds clustered; stipe slender, short or long; lamina thinly herbaceous, linear, 30-60 × 0.5-0.6 cm, wider usually near middle, narrowed gradually to both ends, base attenuate to very base; costa invisible adaxially, raised abaxially, flattened. Soral line ca. 1 mm from margin, superficial; paraphyses long, with head obconic, longer than wide. Spores monolete, oblong in outline, surface papillate.

Epiphytic or epilithic; 1700-2900 m. S Xizang, NW and W Yunnan [Bhutan, N India, Nepal].