Blechnum cartilagineum Sw.

Gristle Fern

Rhizome short-creeping with few branches. Sterile and fertile fronds similar. Fronds mostly to 1 m long, leathery and brittle, pink at first. Stalk covered with black scales. Sterile segments mostly 10-15 cm long, alternate, tough and brittle, not markedly smaller towards the base of the frond, margins with minute teeth. Fertile segments of similar length but slightly narrower.

Will tolerate cool conditions.

E Australia, Philippines

Similar fertile and sterile fronds; segments tough and brittle, minutely toothed, not markedly reduced in length towards the base of the frond.

Source: Spencer, R. (1995). Blechnaceae. 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.

Distribution map
kingdom Plantae
phylum   Tracheophyta
class    Polypodiopsida
order     Polypodiales
family      Blechnaceae
genus       Blechnum L.