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Genus Dicksonia Family Dicksoniaceae

Description: Rhizome erect and arborescent, usually at least 1 m high, covered with hairs and persistent stipe bases.

Fronds spreading, large, somewhat dimorphic; lamina 2–3-pinnate, the middle pinnae always the longest.

Sori circular, marginal, borne on the ends of veinlets; indusium 2-valved, cup-shaped, the lips ± equal, the inner lip brown.


Photo © ANBG

Distribution and occurrence: World: c. 30 species, Malesia to Australia, Polynesia, Mexico to South America, & St Helena. Australia: 3 species, Qld, N.S.W., Vic., Tas., S.A.

Text by Peter G. Wilson
Taxon concept:

 Key to the species 
1Base of stipes with a clump of red-brown hairs; sori c. 1 mm diamDicksonia antarctica
Stipes covered with stiff, dark red-brown hairs for much of its length; sori c. 2 mm diamDicksonia youngiae

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