恩氏假瘤蕨 en shi jia liu jue

Polypodium engleri Luerssen, Bot. Jahrb. Syst. 4(4): 361. 1883; Crypsinus engleri (Luerssen) Copeland; C. engleri var. coriaceus (Tagawa) Tagawa; Phymatodes engleri (Luerssen) Ching; P. engleri var. coriacea Tagawa; Phymatopsis engleri (Luerssen) H. Itô; P. engleri var. coriacea (Tagawa) Ching; P. engleri var. hypoleuca (Hayata) H. Itô; Phymatopteris engleri (Luerssen) Pichi Sermolli; Polypodium engleri var. hypleuca Hayata; P. hastatum Thunberg var. engleri (Luerssen) Christ.

Rhizome 3-4 mm in diam., densely scaly; scales reddish brown, linear to linear-lanceolate, 3-6 mm, margin entire, apex acuminate. Fronds monomorphic. Stipe straw-colored or light brown, 5-15(-20) cm, glabrous; lamina simple, linear or oblanceolate, 5-15(-28) × 1-3 cm, widest above middle, base cuneate, margin entire or slightly crenate, apex shortly acuminate. Lateral veins visible, veinlets obscure. Lamina papery or subleathery, stiff, both surfaces glabrous, abaxial surface usually glaucous. Sori orbicular, small, slightly closer to midrib, superficial.

Epiphytic on tree trunks or on rocks; 1000-2000 m (in Taiwan). Fujian, Guangxi, Guizhou, Jiangxi, Taiwan, Zhejiang [Japan, Korea].