All Floras      Advanced Search
FOC Vol. 2-3 Page 594, 595 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 2-3 | Dryopteridaceae | Dryopteris

74. Dryopteris pteridoformis Christ, Bull. Acad. Int. Géogr. Bot. 17: 137. 1907.

蕨状鳞毛蕨 jue zhuang lin mao jue

Plants 60-80 cm tall. Rhizome creeping, ca. 10 cm in diam., apex densely clothed with broadly ovate-lanceolate, entire, acuminate, brown scales. Fronds approximate or remote, 2-4 cm apart; stipes brown at base, ca. 26 cm, with ovate-lanceolate scales, stramineous upward and sparsely scaly; lamina oblong-lanceolate, 40-55 cm, 30-35 cm wide at base, bipinnate-pinnatifid, apex long acuminate; pinnae 12-14 pairs, oblique, 3-5 cm apart, lanceolate, ca. 16 cm, ca. 6 cm wide at base, shortly stalked, apex long acuminate; pinnules 10-12 pairs, oblong-lanceolate, apex obtuse, 3- or 4-serrate; basal pinnule shortly stalked, upper ones sloped to cuneate base and adnate to costa, 2-2.5 × ca. 1 cm; basiscopic pinnules slightly longer than acroscopic ones or equal, pinnately lobed or incised-serrate, pinnatifid at base; segments suboblong, apex with 2 or 3 beak-shaped, exserted teeth. Lamina papery, both surfaces glabrous; rachis clothed with lanceolate or ovate-lanceolate, pale brown, membranous, transparent scales, clothed with linear-lanceolate, brown scales along costa; veins pinnate, simple, obscure adaxially, conspicuous abaxially. Sori in 1 regular row on each side of costa, nearer to costa than to margin; indusia ferruginous, orbicular-reniform, papery, entire.

Evergreen broad-leaved forests; 1900-2100 m. Guizhou, Yunnan [India, N Myanmar].


Flora of China @
Browse by
Advanced Search

Flora of China Home




 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |