镰羽凤了蕨 lian yu feng liao jue

Coniogramme falcipinna var. pilocostata P. S. Wang & X. Y. Wang; C. latipinna Ching & K. H. Shing; C. sichuanensis H. S. Kung.

Plants up to 1 m tall. Rhizomes decumbent, ca. 4 mm in diam.; scales brown, lanceolate. Fronds closely spaced; stipe straw-colored with brown spots, 35-60 cm × 2-4 mm, glabrous; lamina green or with yellow stripes along veins, ovate-lanceolate or ovate-oblong, 35-50 × 18-22 cm, pinnate or proximal 1 or 2 pairs of pinnae trifoliolate or bifurcate, herbaceous when dry, both surfaces glabrous. Pinnae 4-8 pairs; medial pinnae broadly lanceolate, somewhat arcuate, 12-17 × 3-4 cm, shortly stalked, base rounded or rounded-cuneate, margin with coarse, ascending teeth, apex caudate-acuminate; distal pinnae similar to medial ones but gradually reduced, sessile; terminal pinna larger than adjacent pinnae, long stalked or bifid at base. Veins distinct, 1- or 2-forked; hydathodes clavate, extending to base of teeth. Sori extending to 2/3-3/4 of veins.

● Forests; 1000-1800 m. Chongqing, Sichuan, Zhejiang.

The broadly lanceolate and somewhat falcate simple pinnae, the rough, ascending teeth along pinna margins, and the hydathodes extending to the base of the teeth distinguish Coniogramme falcipinna from C. intermedia.