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:
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DENNSTAEDTIA 1. |
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1. Indusium absent or formed by the reflexed margin |
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2. Sori orbicular; indusium present or absent |
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HYPOLEPIS 3. |
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2. Sori linear; indusium present |
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3. Fronds very coriaceous, ultimate segments c. 2 mm broad; rhizome hairy |
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PTERIDIUM 4. |
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3. Fronds herbaceous, ultimate segments greater than 8 mm broad; rhizome scaly |
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HISTIOPTERIS 2. |
Author:
Not yet available
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