藏布鳞毛蕨 zang bu lin mao jue

Dryopteris pseudofibrillosa Ching; D. tsangpoensis Ching.

Plants 50-70 cm tall. Rhizome erect, densely clothed with ovate-lanceolate, dark brown scales. Fronds caespitose; stipe amber, 10-15 cm, ca. 5 mm in diam., lower part of stipe very densely scaly, sparser upward; scales brownish black, glossy, lanceolate, fimbriate; lamina lanceolate, 30-40 × 8-12 cm, bipinnate, base narrowed; pinnae ca. 25 pairs, alternate, remote, lanceolate, base truncate, apex acuminate, middle pinnae 5-6 × 1-1.2 cm, lower ones gradually shortened, basalmost ca. 2 cm; pinnules 12-18 pairs, oblong, length ca. 3 × width, apex rounded, slightly dentate. Lamina herbaceous, densely clothed with brown scales on both surfaces, with sparse brown scales abaxially; veins pinnate, lateral veins simple or rarely 2-forked. Sori limited to upper part of lamina, terminal on veinlets, 3 or 4 pairs on each pinnule; indusia with brown centers and pale brown margins, often involute.

Picea or Abies forests; 2300-3800 m. Sichuan, Taiwan, Xizang, Yunnan [Bhutan, India, Kashmir, Nepal, Pakistan].