Tree Ferns

Mostly large terrestrial tree-like ferns. Stems erect, usually trunk-like with a thick mat of roots at the base, occasionally creeping, covered with hairs. Sterile and fertile fronds similar. Fronds generally tough, divided 2-many times; veins forked or feathered but free and ending near the segment margin. Sori numerous, rounded, marginal, terminal on the veins. Indusia cup-like, two-lipped, the outer lip generally consisting of a reflexed or modified marginal flap but with a true inner lip.

5 genera, c. 50 species from SE Asia, Pacific, Australia, NZ, S America (2 genera with 5 species in Australia).

Source: Spencer, R. (1995). Dicksoniaceae. In: Spencer, R.. 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.

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kingdom Plantae
phylum   Tracheophyta
class    Polypodiopsida
order     Cyatheales
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