江南星蕨 jiang nan xing jue

Drynaria fortunei T. Moore, Gard. Chron. 708. 1855; Lepisorus fortunei (T. Moore) C. M. Kuo; L. undulatus Ching & Z. Y. Liu; Microsorum chinense (Mettenius ex Kuhn) Fraser-Jenkins; M. excelsum Ching & S. K. Wu; M. fortunei (T. Moore) Ching; M. henryi (Christ) C. M. Kuo; M. takedae (Nakai) H. Itô; Phymatodes takedae Nakai; Polypodium austrosinicum Christ ex C. Christensen; P. chinense Mettenius ex Kuhn; P. fortunei (T. Moore) E. J. Lowe (1856), not Kunze ex Mettenius (1856); P. henryi Christ; P. normale D. Don var. polysorum Baker; P. takedae (Nakai) C. Christensen.

Rhizome 2-5 mm in diam., not white waxy. Scales pseudopeltate, appressed, ovate or triangular, 2.5-5 × 1.5-2 mm, margin entire or denticulate (basal margin often eroded), apex acute (but often broken), clathrate or subclathrate (but hyaline margin at base), cells longitudinally rectangular (toward apex), central region glabrous. Fronds not or slightly dimorphic; stipe 0.5-22 cm, 1.5-3.8 mm in diam.; lamina simple, narrowly elliptic to linear, 24-90 × 2-6 cm, herbaceous, base narrowly decrescent, margin undulate, apex acute or acuminate. Veins ± sunken and instinct. Sori separate, in 1 (irregular) row parallel to costa, orbicular, superficial or slightly sunken; paraphyses simple uniseriate hairs with glandular apical cells.

Epilithic or epiphytic often beside streams in forests; 200-1800 (-2500) m. Anhui, Gansu, Guangxi, Guizhou, Hubei, Hunan, Shaanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Malaysia (Peninsular), Myanmar, Vietnam].