Cyathea australis

Rough Tree Fern

Family:            Cyatheaceae

Plant:              A tree fern usually 3-6m high with a massive erect rough trunk. Its trunk is thickened into a buttress at its base by masses of wiry roots.

Fronds:           Tripinnate usually 2-3m long - but can reach 4.5m - with spaced toothed segments. Stipes dark brown at base.  Fronds are green on top but green to glaucous on the underside.

Sori:                Round in a single row on each side of the mid-vein.

Trunk:             The trunk is thickened into a buttress at its base by masses of wiry roots. Upper parts at least covered by persistent bases of old discarded fronds.

Habitat:           Rainforest and in forested gullies and along creek banks in wet sclerophyll forest.

Features:       Tree fern with massive trunk. Trunk roughened by remnant bases of old fronds. Dull green fronds with spaced segments.

Name:

Cyathea          From Greek = cup-shaped

australis         From Latin = southern

Search Criteria

 

Type

Fern

Trunk

Trunk

Fronds

Form

Compound

 

Length (Total)

Very long

 

Other Features

Toothed/Serrated

Sori

Arrangement

In rows

Rhizome

Type

Erect

 

Other Features               

-

Habitat             

Rainforest, Wet sclerophyll forest