Rhizome erect, thick, eventually forming a dark, fibrous trunk to 30 cm or more tall. Sterile and fertile fronds similar. Fronds to 1.2 m long and nearly 40 cm wide, divided once, pink at first, becoming pale green. Blade oblong or lanceolate in outline. Segments reducing in size towards the base of the frond and mostly fused to the axis at the base.
Needs shelter and warmth.
Tropical S America.
Rhizome not creeping; mature fronds extremely large, broad and tough; segments reducing in size towards base of frond; cf. B. cartilagineum.
Source: (1995). Blechnaceae. 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.
Blechnum brasiliense 'Cristatum'
Fronds red when young, segments smaller than in the species and with distinctive wavy margins Origin unknown.