无盖鳞毛蕨 wu gai lin mao jue

Polypodium scottii Beddome, Ferns Brit. India 2: t. 345. 1870; Dryopteris hirtipes (Blume) Kunze var. exinvolucrata (C. B. Clarke) Panigrahi & S. K. Basu; D. nigrisquama Hayata; D. nigrisquama f. subdecipiens (Hayata) H. Itô; D. subdecipiens Hayata; Nephrodium hirtipes (Blume) Hooker var. exinvolucrata C. B. Clarke; Phegopteris scottii (Beddome) Beddome.

Plants 50-80 cm tall. Rhizome erect, short, stout; scales of rhizome and lower part of stipe dense, brownish black, lanceolate, serrulate. Fronds caespitose; stipe stramineous, 18-35 cm, sparsely scaly from middle part of stipe to rachis; scales brownish black, subulate-lanceolate, crenulate; lamina oblong or deltoid-ovate, 25-45 × 15-25 cm, once pinnate, base not or slightly gradually narrowed, apex acuminate; pinnae 10-16 pairs, lanceolate or oblong-lanceolate, 10-12 × 1.5-3 cm, base rounded-truncate, shortly stalked or subsessile, margin spreading sinuate-crenate, apex acuminate. Lamina herbaceous, glabrous adaxially, with 1 or 2 fibrillose scales on costa and veinlets abaxially, with brownish black or brown, linear, crenulate scales along abaxial side of rachis; veins slightly visible, lateral veins pinnate-forked, 3-7 in pinnate groups. Sori below middle of veinlets, in 2 or 3(or 4) irregular rows on both sides of costa, exindusiate.

Forests; 500-2400 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Bhutan, India, Japan, Myanmar, Nepal, Thailand, Vietnam].

Phegopteris grossa Christ (Bull. Herb. Boissier 7: 13. 1899; Dryopteris grossa (Christ) C. Christensen), described from Yunnan (Mengtze), was placed here in FRPS.