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FOC | Family List | FOC Vol. 2-3 | Thelypteridaceae

2. Oreopteris Holub, Folia Geobot. Phytotax. (Praha). 4: 46. 1969.

假鳞毛蕨属 jia lin mao jue shu

Authors: Youxing Lin & Kunio Iwatsuki

Plants medium-sized, terrestrial. Rhizomes short, erect or ascending. Fronds clustered; stipes dark stramineous, densely covered with large, thin, brown, lanceolate scales, distally gradually sparsely so; laminae oblong-lanceolate, gradually tapering to bases, pinnate-pinnatifid; proximal pinnae gradually shortened, proximal ones triangular auriculate, middle ones lanceolate, pinnatifid to narrow wings on both sides of costae. Veins pinnate, free, reaching margins. Sori orbicular, attached above middle of veinlets, far from costules; indusia orbicular-reniform, usually with glands along margins. Sporangia usually with stalked glands near annuli. Spores bilateral, reniform, perispores not evident and easily deciduous, granular. x = 34.

Three species: Europe, N India, E Asia to N America; two species in China.

1 Rachises stramineous, with sparse bright brown or brownish membranous scales; laminae 20-30 cm wide, proximal 3 or 4 pairs of pinnae slightly shortened, proximal pair of pinnae triangular-lanceolate.   1 O. quelpaertensis
+ Rachises bright brownish stramineous, with sparse brownish short hairs; laminae 6-7 cm wide at middle or distal part, proximal 8-10 pairs of pinnae gradually shortened, proximal pair of pinnae with orbicular or triangular auricles.   2 O. elwesii

Lower Taxa


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