隐柄尖嘴蕨 yin bing jian zui jue

Hymenolepis henryi Hieronymus ex C. Christensen, Dansk Bot. Ark. 6: 67. 1929; Belvisia henryi (Hieronymus ex C. Christensen) Raymond; Macroplethus henryi (Hieronymus ex C. Christensen) Tagawa.

Rhizomes shortly creeping, ca. 3 mm in diam.; scales dark brown, lanceolate, margins long serrate at base, entire toward apex. Fronds rather closely spaced, subsessile or very shortly stipitate; lamina with sterile lower part ovate-lanceolate or elliptic, 20-30 × 3-5 cm, leathery when dry, both surfaces glabrous, base attenuate and long decurrent nearly to articulation of stipe, margin slightly undulate, apex abruptly contracted into fertile tip 6-30 × 0.2-0.3 cm. Main vein raised on both sides, veinlets obscure. Sori linear, covering abaxial surface of fertile tip when mature; paraphyses peltate, stellate, 0.2-0.3 mm in diam., margin denticulate.

On tree trunks or moss-covered rocks in forests; 100-1500 m. Yunnan [India, Nepal, Thailand, N Vietnam].