翠蕨 cui jue

Gymnogramma microphylla Hooker, Icon. Pl. 10: t. 916. 1854; Cerosora microphylla (Hooker) R. M. Tryon; Grammitis microphylla (Hooker) Beddome.

Rhizomes short, together with stipe base sparsely scaly; scales blackish, less than 0.8 mm. Fronds many, clustered; stipe chestnut-brown, 2-10 cm × ca. 0.6 mm, glabrous; lamina green, ovate-deltoid or ovate-lanceolate, 2-5 × 2-4 cm, thinly herbaceous when dry, both surfaces glabrous, 2-pinnate-pinnatifid to 3-pinnate. Pinnae 5-7 pairs, basal pair largest, ovate-deltoid, 1-2 × 0.7-1.2 cm, inequilateral, shortly stalked. Pinnules anatropous, with winged short stalks. Ultimate pinnules or segments elliptic or spatulate, base long cuneate and decurrent to costules, margin entire, apex obtuse or mucronulate, rarely emarginate. Veins visible on both surfaces. 2n = 116.

Montane gorges, on rocks, in rock crevices; 1100-2900 m. E Guangxi, Guizhou, Yunnan [Bhutan, India, Myanmar, Nepal].