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Electronic Flora of South Australia family Fact Sheet

Dennstaedtiaceae

Alternative names: Not Applicable

Description:
Terrestrial ferns with a creeping or erect hairy or scaly rhizome; lamina pinnate and decompound, not articulated to the rhizome; veins free or anastomosing; sori superficial or submarginal, terminal on free veinlets, circular or forming a submarginal coenosorus; indusium cup-shaped or 2-lipped; the outer lip false, formed by the recurred margins of the lamina; the inner lip a true indusium, usually delicate, membranous, often reduced or absent. 6 genera in Australia.

Biology: No text

Key to Genera:
1. Indusium cup-like
DENNSTAEDTIA 1.
1. Indusium absent or formed by the reflexed margin
 
2. Sori orbicular; indusium present or absent
HYPOLEPIS 3.
2. Sori linear; indusium present
 
3. Fronds very coriaceous, ultimate segments c. 2 mm broad; rhizome hairy
PTERIDIUM 4.
3. Fronds herbaceous, ultimate segments greater than 8 mm broad; rhizome scaly
HISTIOPTERIS 2.

Author: Not yet available


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