线蕨(原变种) xian jue (yuan bian zhong)

Polypodium ellipticum Thunberg in Murray, Syst. Veg., ed. 14, 935. 1784; Colysis boisii Ching; C. elliptica (Thunberg) Ching; C. morsei (Ching) Ching; Gymnogramma elliptica (Thunberg) Baker; Polypodium ellipticum f. brevis Y. C. Wu; P. morsei Ching; Selliguea coraiensis Christ; S. elliptica (Thunberg) Beddome.

Rhizome 2.5-4.5 mm in diam.; scales dark brown. Fronds subdimorphic, 30-50 cm; stipe 6.5-48 cm; rachis terete to narrowly winged; lamina deeply pinnatifid, oblong-ovate or ovate-lanceolate, 20-70 × 8-22 cm, herbaceous, margin entire or sometimes indistinctly slightly undulate; lobes 5-9 pairs, linear or linear-lanceolate, largest lobe 7-12 × 0.9-1.6 cm, apex long acuminate.

Forests, on slopes or rocks beside streams; 100-2500 m. Anhui, Fujian, Guangxi, Guizhou, Hainan, Hong Kong, Hunan, Jiangsu, Jiangxi, Taiwan, Yunnan, Zhejiang [Japan, S Korea, Vietnam].