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

67. Dryopteris nobilis Ching, Bull. Fan Mem. Inst. Biol., Bot. 11: 65. 1941.

优雅鳞毛蕨 you ya lin mao jue

Plants up to 1 m tall. Rhizome erect, clothed with ovate, bright castaneous scales extending to stipe base. Fronds caespitose; stipe stramineous, ca. 1/2 as long as lamina, sparsely clothed with ovate-lanceolate, dark brown scales; lamina lanceolate, oblong-lanceolate, or deltoid-lanceolate, (40-)60-80 × 10-20 cm, bipinnate-pinnatipartite, narrowed or slightly narrowed to base, apex acuminate; pinnae ca. 24 pairs, oblique, approximate, sometimes pinnae overlapping, lanceolate, 14-16 × ca. 5 cm, widest at base, cordate, shortly stalked; pinnules ca. 20 pairs, oblique, oblong, basal ones ca. 2.5 × 1 cm, adnate to costa at base, margin incised-dentate, lobed or not, with white-membranous edges, usually revolute, apex obtuse. Lamina papery or thinly leathery; rachises and costae sparsely scaly, with lanceolate, brown scales; veins pinnate, distinct, impressed adaxially, raised abaxially. Sori in 1 regular row on each side of costa, borne on middle parts of veins, closer to costa than margin; indusia brown, orbicular-reniform, entire, persistent.

Mixed forests, streamsides, evergreen broad-leaved forests, mountain slopes; 1600-2500 m. NW Yunnan [India].


1 Plants larger; lamina oblong-lanceolate or deltoid-lanceolate, 60-80 cm, papery; pinnules incised-dentate, lobed.   67a var. nobilis
+ Plants smaller; lamina lanceolate, 40-50 cm, thinly leathery; pinnules not lobed, dentate or shallowly incised only.   67b var. fengiana

Lower Taxa


 

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