Rhizome more or less erect, developing into a small trunk; scales dark. Sterile and fertile fronds different. Fronds to 1.5 m long, divided once, stalk and blade of almost equal length. Segments in lower part of frond stalked and with distinct articulations at the junction with the stalk. Fertile fronds of similar length to sterile ones but segments narrow, mostly less than 5 mm wide. Sori covering whole lower surface except for margin; indusia linear.
Needs shelter and warmth.
Lower segments stalked and with a distinct articulation at the junction with the frond stalk.
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.