Todea
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Common name: . . .
Conservation status: . . .
Etymology:
Named in honour of Heinrich Julius Tode (1733–1797), German botanist and clergyman, author of Fungi Mecklenburgenses Selecti (1790–1791)
Spores:
Species in the genus Todea, as Leptopteris, are distinct from other in Osmundaceae in that sporangia are born on laminar pinnules
Many large sporangia are located on the bottoms of the leaves and are not arranged in sori or covered by an indusium
Leaves:
Coarse, pinnate leaves
Stem & branches:
Sub-erect stem
Roots:
Habit:
Habitat:
Distribution:
Eastern Australia
Species:
World: 2
Australia: 1
Additional notes:
Species
Only two extant species are currently recognised
Todea barbara L., known as the king fern, is native to South Africa, New Zealand, and Australia while
Todea papuana H. is known only from Papua New Guinea
So far the fossil record of the genus Todea consists only of:
the permineralized rhizome Todea tidwellii from the Lower Cretaceous of Vancouver Island, Canada
the species Todea amissa, known from the Eocene of Patagonia, Argentina
Sources of information: