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

6. Didymoglossum Desvaux, Mém. Soc. Linn. Paris. 6: 330. 1827.

毛边蕨属 mao bian jue shu

Rhizome filiform, long creeping, with dense hairs, rootless. Lamina small, simple to pinnately decompound, entire or setiferous at margin; false veinlets usually oblique, many, or absent. Sori marginal; involucres campanulate with bilabiate mouth; receptacles projecting.

About 19 species: from tropical and subtropical America across Africa to Sri Lanka; five species in China.


1 Marginal hairs present.   1 D. wallii
+ Marginal hairs absent   (2)
       
2 (1) Lamina peltate.   5 D. tahitense
+ Lamina not peltate   (3)
       
3 (2) Fronds very small, less than 1 cm.   3 D. motleyi
+ Fronds larger, 1-2.5 cm or more   (4)
       
4 (3) Submarginal false veinlets absent.   4 D. sublimbatum
+ Submarginal false veinlets present.   2 D. bimarginatum

Lower Taxa


 

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