Cyathea leichhardtiana—Prickly Treefern—CYATHEACEAE

Cyathea leichhardtiana

Link to Images on Flickr.

Habitat—Widespread in shaded interior of Subtropical, Warm-temperate and Cool-temperate Rainforests;

Distribution—North from East Gippsland, Victoria to Queensland.

Description—Treefern to 7 m high, 5 to 15 cm stem diam., slow growing.
Trunk: very slender, covered with rough, prickly frond bases.

Local occurrences

Australis Resort, Barrington/Gloucester Tops, Boorganna Nature Reserve, Diamond Beach, Diamond Beach LRF, Dixon Property, Knappinghat Nature Reserve, Royal Botanic Gardens Sydney, Sea Acres National Park and Wallamba River Area.

Fronds.— To 3 m long, tri—pinnate, very dark green above, paler below.
Pinnae: with entire or bluntly toothed margins.
Stipe: shiny, red—brown; base prickly with many thin sharp prickles and dense, whitish, very narrow scales.

Cyathea leichhardtiana
Cyathea leichhardtiana

Sori—Round in a single row each side of and near the pinnule midribs. Indusia are modified into circles of scales surrounding the sori.