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Genus Diplazium Family Athyriaceae

Description: Rhizome erect or short-creeping, thick, covered with dark brown or black scales.

Stipes clustered, stout, erect; rachises grooved above, the grooves confluent with the grooves of the secondary rachises; lamina membranous to ± leathery, simple to 2-pinnate with pinnae pinnatifid; veins usually free.

Sori superficial, elongated along the veins; indusium pale, membranous.


Photo © ANBG

Distribution and occurrence: World: c. 400 species, cosmopolitan. Australia: 10 species, Qld, N.S.W., Vic., Tas.

A broad concept of this large genus, including Athyrium, is adopted here pending revision of the Australian species.

Text by Peter G. Wilson
Taxon concept:

Taxa not yet included in identification key
Diplazium esculentum,    Diplazium melanochlamys

 Key to the species 
1Secondary rachises much darker at their junction with the main rachis; sori to 1 mm, rarely to 1.5 mm longDiplazium assimile
Secondary rachises not much darker at their junction with the main rachis; sori usually >1.5 mm long2
2Secondary pinnae lobed almost to the midveinDiplazium australe
Secondary pinnae lobed about halfway to the midvein
                       Back to 1
Diplazium dilatatum

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