1 of 2 subspecies occurs in Australia, see F. crispa subsp. crispa profile for description. Differs from subspecies nortierii in the larger size of the perianth cup and segments (de Vos 1979). Both subspecies are native to south-west Africa.
Source:
Conn, B.J. (1994). Iridaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 686–716. Inkata Press, Melbourne.
