Adiantum formosum —Giant Maidenhair—ADIANTACEAE

Adiantum formosum

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Habitat— Widespread, grows in colonies in rainforest or open forest, or on alluvial flats near streams

Distribution— Victoria, New South Wales and Queensland.

Description—A terrestrial fern, rhizome long-creeping,deeply buried.

Local occurrences

Barrington/Gloucester Tops, Booti Hill, Cape Hawke, Coocumbac Island, Copeland, Dixon Property, Elizabeth Beach, Knappinghat Nature Reserve, Royal Botanic Gardens Sydney, Talawahl Nature Reserve and Wingham Brush.

Fronds.—60 to 120 cm high, mostly 3 to 4—pinnate, ultimate segments asymmetric and shortly stalked, terminal pinnae very much shorter than the basal primary pinnae; segments 5 to 15 mm long, dark green, glabrous, upper margin lobed and often toothed; stipe and rachis black and shiny, slightly rough, main rachis usually zigzag, minor rachis with reddish hairs.

Adiantum formosum
Adiantum formosum

Sori.— Small, commonly 5 to 9 per segment, in shallow depressions of lobes