骨齿凤了蕨 gu chi feng liao jue

Coniogramme caudata Ching var. salwinensis Ching & K. H. Shing; C. spinulosa (Christ) Hieronymus; Gymnogramma javanica Blume var. spinulosa Christ.

Plants 60-80 cm tall. Stipe straw-colored, 30-45 cm × 3-4 mm; lamina brownish green, ovate-oblong or narrowly ovate, 30-40 × 20-30 cm, usually 1-pinnate (rarely basal pair of pinnae bifurcate or trifoliolate), thickly papery when dry, abaxially densely hairy or sometimes glabrous, hairs gray or grayish brown and short, adaxially glabrous. Pinnae 2-4 pairs, basal pair lanceolate or oblanceolate, 15-22 × 2-4 cm, stalked (stalks 1-1.5 cm), base narrowly cuneate, margin serrate with fine cartilaginous sides, apex abruptly caudate to caudate-acuminate; distal pairs of pinnae as basal ones but slightly reduced, shortly stalked. Hydathodes extending to and fused with cartilaginous sides of teeth. Sori extending nearly to pinna margins.

Streamsides in mixed forests; 1600-3300 m. SE Xizang, W Yunnan [India, Myanmar, Nepal].