曲边线蕨 qu bian xian jue

Polypodium flexilobum Christ, Bull. Acad. Int. Géogr. Bot. 1904: 107. 1904; Colysis dissimilialata (Bonaparte) Ching; C. elliptica var. flexiloba (Christ) L. Shi & X. C. Zhang; C. flexiloba (Christ) Ching; C. flexiloba var. undulatocrenata (Ching) Ching; C. latiloba Ching; C. sanjiangensis H. G. Zhou & Hua Li; Polypodium dissimilialatum Bonaparte; P. ellipticum var. undulatorepandum C. Christensen; P. flexilobum var. undulatocrenatum Ching; Selliguea elliptica var. flagellaris Christ.

Rhizome 2-2.5 mm in diam. Rachis broadly winged, up to 3.2 cm wide; lamina pinnatifid 18-25 × 12-22 cm, herbaceous, margin distinctly undulate-repand to crisped; lobes 6 or 7 pairs, lanceolate, distinctly narrowed at base, largest lobe 5-12 × 0.9-1.6 cm widest above base.

Forests. Chongqing, Guangxi, Guizhou, Hunan, Jiangxi, Sichuan, Taiwan, Yunnan [Vietnam].