峨眉凤了蕨 e mei feng liao jue

Coniogramme crenatoserrata Ching & K. H. Shing; C. emeiensis var. lancipinna Ching & K. H. Shing; C. emeiensis var. salicifolia Ching & K. H. Shing; C. longissima Ching & H. S. Kung; C. nanchuanensis Ching & K. H. Shing; C. xingrenensis Ching & K. H. Shing.

Plants up to 1.5 m tall. Rhizomes decumbent, short, stout; scales dark brown, lanceolate. Fronds closely spaced; stipe straw-colored to chestnut-brown, 40-90 cm × 4-5 mm; lamina broadly ovate-oblong, 30-70 × 20-40 cm, 2-pinnate, herbaceous when dry, sometimes with irregular yellow stripes along veins, both surfaces glabrous. Pinnae 6-10 pairs, basal 1-3 pairs of pinnae largest, subovate or ovate-lanceolate, 15-35 × 10-20 cm, stalked, pinnate; upper pairs trifoliolate or simple. Pinnules broadly lanceolate, 7-15 × 1.5-3 cm, base cuneate or rounded-cuneate, margin with coarse teeth, apex caudate-acuminate or long acuminate. Veins 1- or 2-forked; hydathodes clavate, extending to base of teeth but not into teeth.

● Broad-leaved forests or shaded places by roadsides; 600-1800 m. Chongqing, Guangdong, Guangxi, Guizhou, Hubei, Sichuan, Yunnan, Zhejiang.

The simple pinnae of Coniogramme emeiensis sometimes vary in length, width, and base shape. This species can be separated from C. intermedia by the clavate hydathodes, which extend only to the tooth base (not into the teeth).