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FOC | Family List | FOC Vol. 2-3 | Dryopteridaceae | Dryopteris

53. Dryopteris neorosthornii Ching, Bull. Fan Mem. Inst. Biol., Bot. 11: 62. 1941.

近川西鳞毛蕨 jin chuan xi lin mao jue

Plants 100-120 cm tall. Rhizome erect, with dense, lanceolate, brown scales. Fronds caespitose; stipe stramineous, ca. 20 cm, ca. 5 mm in diam., base densely scaly; scales dark brown, broadly lanceolate; lamina 60-80 cm, ca. 24 cm wide at middle, base narrowed, ca. 14 cm wide; pinnae ca. 30 pairs, spreading, approximate, lanceolate, ca. 12 × 2.5 cm, often widest at middle, base truncate, shortly stalked, apex acuminate, pinnatipartite; segments ca. 20 pairs, oblique, oblong, ca. 1.4 cm × 4 mm, apex obtuse, remotely dentate. Lamina herbaceous; rachis with lanceolate, dentate, dark brown scales; veins pinnate, 2-forked, acroscopic basal veinlet undivided, distinct abaxially. Sori on upper part of lamina, 4-6 pairs on each segment, nearer to costa than to margin; indusia brown, orbicular-reniform, membranous.

Forests; 1500-3100 m. Sichuan, Xizang, Yunnan [Bhutan, India, Nepal].


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