矩圆线蕨 ju yuan xian jue

Gymnogramma henryi Baker, J. Bot. 25: 171. 1887; Colysis henryi (Baker) Ching; C. lioui Ching ["liouiii"]; Polypodium henryi (Baker) C. Christensen; P. monchangense C. Christensen; Selliguea cochlearis Christ; S. henryi (Baker) Christ.

Rhizome slender, long creeping; scales brown, ovate-lanceolate, 1.7-5 × 0.2-2.1 mm, margin sparsely denticulate, apex acuminate. Fronds monomorphic, or subdimorphic, distant; stipe stramineous, 5-35 cm; lamina ovate or ovate-lanceolate, 15-50 × 3-11 cm, herbaceous, glabrous, base abruptly narrowed into narrow wings along stipe, margin entire or slightly undulate, apex acuminate or obtuse; veinlets forming 2 rows of areoles between 2 adjacent lateral veins, free included veinlets simple or 1- or 2-forked. Sori linear, 1 regular row between lateral veins, up to margin of lamina, without paraphyses.

● Shaded forests; below 100-1300 m. Chongqing, Fujian, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang.