凤了蕨 feng liao jue

Hemionitis japonica Thunberg in Murray, Syst. Veg., ed. 14, 932. May-Jun 1784; Coniogramme ankangensis Ching & Y. P. Hsu; C. centrochinensis Ching; C. gracilis Ogata; C. japonica subsp. gracilis (Ogata) Nakaike; C. japonica var. gracilis (Ogata) Tagawa; Dictyogramme japonica (Thunberg) Fée; Gymnogramma japonica (Thunberg) Desvaux; Notogramme japonica (Thunberg) C. Presl.

Stipe straw-colored or chestnut-brown, 30-50 cm × 3-5 mm; lamina oblong-deltoid or ovate-deltoid, 20-40 cm wide, 2-pinnate, papery or herbaceous when dry, both surfaces glabrous. Lateral pinnae usually 3-5 pairs, basal pair largest, ovate-deltoid, 20-35 × 10-15 cm, stalks 1-2 cm, pinnate (occasionally bifurcate); lateral pinnules 1-3 pairs, lanceolate or broadly lanceolate, 8-15 × 1.5-3.5 cm, stalked or distal pinnules sessile, base cuneate, rounded, or rarely cordate, apex acuminate, long acuminate, or shortly caudate; terminal pinnule broadly lanceolate, 20-28 × 2.5-4 cm, usually attenuate toward base. Pinnae of second pair trifoliolate, bifurcate, or simple; simple pinnae as terminal pinnule. Pinna or pinnule margins serrate, teeth sparse and short. Veins anastomosing to form 1-3 rows of areoles along each side of midrib, then free to margin; hydathodes spindle-shaped, extending below base of teeth. Sori extending nearly to lamina margin.

Forests, shaded wet soil in ravines; 100-2000 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, S Jiangsu, Jiangxi, Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Japan (including Ryukyu Islands), Korea].