Trunk to 20 m tall in the wild but much shorter in cultivation, fronds soon shed leaving clean trunk. Fronds to 3-4 m long, divided 2-3 times. Ultimate segments 8-9 mm long, entire or with wavy edges. Stalks and all axes deeply grooved above. Sori 5-6 mm wide.
Needs shelter and warmth.
NZ (Sunday Is).
Narrow clean trunk; deeply grooved axes; no star-shaped hairs on blade lower surface; cf. C. cunninghamii.
Source: (1995). Cyatheaceae. In: . Horticultural Flora of South-eastern Australia. Volume 1, Ferns, conifers & their allies. The identification of garden and cultivated plants. University of New South Wales Press.