褐叶线蕨 he ye xian jue

Gymnogramma wrightii Hooker & Baker, Sp. Fil. 5: 160. 1864 ["Gymnogramme"]; Colysis hokouensis Ching; C. longifrons Tagawa; C. megalolepis Tagawa; C. subsessilifolia Ching; C. wrightii (Hooker & Baker) Ching; C. wrightii f. laciniata Sa. Kurata; C. wrightii monstr. laciniata (Sa. Kurata) Nakaike; Leptochilus macrophyllus (Blume) Nooteboom var. wrightii (Hooker & Baker) Nooteboom; Polypodium kusukusense Hayata; P. wrightii (Hooker & Baker) Mettenius ex Diels; P. wrightii var. lobatum Rosenstock.

Rhizome long creeping, densely scaly; scales brown, ovate-lanceolate, 1.4-6.2 × 0.2-1.2 mm, margin denticulate, apex acuminate. Fronds distant; stipe short, 1-3 cm, or fronds subsessile; lamina oblanceolate, 20-25 cm, 2-4.5 cm wide at middle, herbaceous, dark brown, adaxial surface of costa with small scales, base decurrent into winged stipe, margin shallowly undulate, apex acuminate to caudate; veinlets forming 2 rows of areoles between 2 adjacent lateral veins, free included veinlets simple or forked. Sori linear, 1 row between 2 adjacent lateral veins, from midvein up to margin of lamina, with scale-shaped soral paraphyses.

Shaded forests, terrestrial or epiphytic; 100-1400 m. Fujian, Guangxi, Hong Kong, Jiangxi, Taiwan, Yunnan [Japan, Vietnam].