尖齿鳞毛蕨 jian chi lin mao jue

Nephrodium kingii C. Hope, J. Bombay Nat. Hist. Soc. 12: 621. 1899, not Dryopteris kingii (Beddome) C. Christensen (1905); Dryopteris filix-mas (Linnaeus) Schott subsp. kingii (C. Hope) C. Christensen; D. silaensis Ching.

Plants 23-45 cm tall. Rhizome erect, short, densely scaly; scales dark brown, oblong-lanceolate or lanceolate, dentate. Fronds caespitose; stipe dark brown, 8-12 cm, with lanceolate, dark brown scales; lamina deltoid-lanceolate, 16-26 × ca. 10 cm, widest at middle, bipinnatipartite, slightly narrowed downward, base truncate, apex acuminate; pinnae 12-16 pairs, alternate, lower several pairs remote, middle pinnae 3.5-4 × ca. 1.5 cm; segments ca. 8 pairs, approximate, oblong, apex minutely dentate. Lamina: rachis with lanceolate, brown or dark brown scales. Sori in 1 row on each side of costa; indusia orbicular-reniform, with irregular teeth, deciduous.

Alpine Pinus forests, Rhododendron thickets; 3500-4500 m. W Sichuan, SE Xizang, NW Yunnan [Bhutan, N India, Kashmir, Nepal].