Subordinate Taxa
Scientific Name:

Shrubs or trees with long or short, slender often weeping branches jointed at nodes.  Lvs reduced to many-toothed sheaths surrounding nodes.  Fls unisexual; ♂ fls usually in terminal spikes with shortened internodes and bracts fused into a cup, each with 1 stamen, 2 perianth segments and 2 bracts; anther exserted from bracts, 2-locular.  ♀ fls in dense, globose to cylindric, sessile or shortly pedunculate heads usually terminal on lateral branches, with each fl. subtended by 2 bracts; ovary superior, 1-locular;  style short, the 2 stigmatic branches long-extended;  ovules 2–(4), ascending.  Fr. in a cone of woody persistent bracts opening at maturity;  each fr. a 1-seeded, flattened, indehiscent, terminally winged samara.

[From:  Webb et al. (1988) Flora of New Zealand. Volume 4.]

Number of species in New Zealand within Casuarinaceae
Exotic: Fully Naturalised2
Exotic: Casual2
Cronquist, A. 1988: The evolution and classification of flowering plants. The New York Botanic Gardens, New York.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.