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

7. Dryopteris sect. Marginatae Fraser-Jenkins, Bull. Brit. Mus. (Nat. Hist.), Bot. 14: 194. 1986.

边生鳞毛蕨组 bian sheng lin mao jue zu

Plants tall. Lamina pinnatifid-tripinnate. Basiscopic pinnule at base of basal pinnae not elongated, equal to or slightly shorter than next pinnule.

About 26 species: E and S Asia, Africa; seven species in China.

1 Lamina broadly triangular-lanceolate, widest at base   (2)
+ Lamina oblong-lanceolate, often slightly tapering to base   (4)
2 (1) Pinnules becoming pinnate only near base of lamina; indusia somewhat thick, red-brown, persistent.   76 D. subimpressa
+ Pinnules mostly pinnate throughout lamina; indusia thin, pale brown or brown, deciduous   (3)
3 (2) Lamina smooth on adaxial surface, ultimate segments rectangular, subentire, stipe base scales glossy and exserted.   77 D. marginata
+ Lamina dull, with impressed veins on adaxial surface, ultimate segments acute, serrulate, stipe base scales, adpressed.   78 D. caroli-hopei
4 (1) Lamina markedly dimorphic; fertile lamina usually contracted; indusia strombuliform.   72 D. cochleata
+ Lamina monomorphic; fertile lamina usually not contracted; indusia flat   (5)
5 (4) Lamina nearly leathery, with translucent narrow pinnule edges.   73 D. porosa
+ Lamina papery, without translucent narrow pinnule edges   (6)
6 (5) Fronds arising from apices of rhizome, pinnules deeply pinnatifid.   74 D. pteridoformis
+ Fronds arising from rhizome at intervals, pinnules pinnate.   75 D. angustifrons

Lower Taxa


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