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Genus Pyrrosia Family Polypodiaceae

Description: Epiphytic or growing on rocks; rhizome creeping or densely covered with non-clathrate scales that are usually peltately attached.

Stipes articulated to the rhizome; lamina usually simple and entire, thick and leathery, surfaces covered with stellate hairs; fertile fronds similar to the sterile fronds or dimorphic; veins reticulate to obscure.

Sori without indusium, usually circular, mostly confluent with age.


Distribution and occurrence: World: c. 50 species, mainly tropical Asia & Malesia, extending to Africa, temperate Asia & Australia, New Zealand. Australia: 4 species, Qld, N.S.W.

Text by Peter G. Wilson
Taxon concept:

 Key to the species 
1Sori occurring over most of the lower surface of the lamina of the fertile frond, irregularly arranged in 1–4 rows on each side of the midrib, ± confluent with agePyrrosia rupestris
Sori restricted to the apical region of the fertile frond, confluent and forming two oblong or ovate patches or a single horseshoe-shaped patchPyrrosia confluens

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