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

40. Dryopteris fibrillosissima Ching, Fl. Xizang. 1: 254. 1983.

近纤维鳞毛蕨 jin xian wei lin mao jue

Plants 30-50 cm tall. Rhizome erect, short, densely scaly; scales ferruginous, lanceolate, upper part subulate, 1.5-2 cm. Fronds caespitose; stipe 7-14 cm, ca. 2 mm in diam., base densely scaly; scales brown, broadly lanceolate, 1-1.5 cm, dentate, acuminate; lamina lanceolate, 25-35 × 6-12 cm, bipinnate, slightly narrowed at base, apex acuminate; pinnae 15-18 pairs, alternate, spreading, ca. 2 cm apart, lanceolate, base truncate, shortly stalked, apex acuminate, middle pinnae ca. 5.5 cm, ca. 1.5 cm wide at base, lower several pairs slightly shortened, basal pair ca. 3 cm; pinnules 8-11 pairs, nearly spreading, approximate, oblong, 5-7 × ca. 3.5 mm, apex rounded, regularly crenate, upper ones slightly joined at base. Lamina papery, both surfaces with sparse, pale brown, fibrillose scales; rachis with lanceolate, dark brown scales and brown fibrillose scales abaxially. Apical pinnae 5 or 6 pairs fertile. Sori 3 or 4 pairs on each pinnule, slightly nearer to costa than to margin; indusia ferruginous, orbicular-reniform, spreading at maturity, persistent.

● Thickets, Pinus forests; 1800-3400 m. Sichuan (Muli), Xizang (Bomi).


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