Adiantum formosum R.Br.

Giant Maidenhair

Rhizome thin, long-creeping, deep in ground. Fronds to 80 cm long, divided 3-4 times at the base. Blades broadly triangular to ovate in outline, widely spaced, erect, to 1 m tall. Stalks rough. Segments c. 1 cm wide, rhombic or oblong, the upper margin regularly toothed, stalk attached in a corner. Sori in segment notches, 4-8 per segment. Indusia crescent-shaped.

Needs shelter and warmth.

Dwarf cultivars with prominent venation are sometimes grown.

Tropical and subtropical Australia.

Large, much-divided fronds with long stalks, zig-zag in the branching region.

Source: Spencer, R. (1995). Adiantaceae. 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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Distribution map
kingdom Plantae
phylum   Tracheophyta
class    Polypodiopsida
order     Polypodiales
family      Pteridaceae
genus       Adiantum L.