细叶鳞毛蕨 xi ye lin mao jue

Dryopteris neochrysocoma Ching; D. taishanensis F. Z. Li; D. tenuissima Tagawa; D. woodsiisora var. tenuissima (Tagawa) Li & J. Z. Wang; D. zinongii Z. R. Wang & Fraser-Jenkins.

Plants up to 60 cm tall. Rhizome erect or ascending, short, densely clothed with membranous, ovate, fimbriate, brown scales. Fronds caespitose; stipe stramineous, (4-)6-20 cm × ca. 3 mm, lower part sparsely clothed with broadly lanceolate, brown scales; lamina ovate-lanceolate or lanceolate, (9-)20-50 × (3.5-)6-17 cm, once pinnate-pinnatifid, slightly narrowed at base; pinnae 12-20 pairs, lanceolate to ovate-lanceolate, 2-9 × 1.5-2.5 cm, base slightly broad, subsessile or shortly stalked, apex obtuse to shortly acuminate, basal 1 or 2 pairs slightly shortened; segments 5-10 pairs, oblong, margin slightly toothed, apex obtuse. Lamina papery, both surfaces glandular-pubescent, with sparse or few small scales on costa; veins pinnate, veinlets 2- or 3-forked. Sori abaxial on veinlets, 1-6 on each segment; indusia pale brown, slightly thick, entire, glandular-pubescent, perfectly covering sorus, persistent; spores 32 in each sporangia, elliptic, perispore granular.

Rock crevices; 1600-2800 m. Guangdong, Guizhou, Jiangxi, Liaoning, Shandong, Sichuan, Taiwan, Xizang, Yunnan [Bhutan, India, Nepal, Thailand].

A hybrid, Dryopteris ×daliensis Z. R. Wang (Acta Phytotax. Sin. 23: 346. 1985), between D. parachrysocoma Ching & Z. R. Wang and D. zinongii, has been described from Yunnan (Dali).