Scientific Name:

Prostrate to erect or stemless annual to perennial usually succulent herbs or shrubs.  Lvs usually opposite, rarely alternate, stipulate or exstipulate, fleshy, terete to trigonous or flat, usually smooth or papillate, rarely pubescent or lepidote;  papillae sometimes glittering.  Fls solitary or in loose cymes.  Sepals (3)–4–6–(8), unequal, rarely equal.  Petals many or rarely 0, brightly coloured, in 1-several series, free or very shortly fused at base. Staminodes present or 0.  Stamens usually many, rarely 1 or few.  Ovary usually inferior, rarely 1/2-inferior to superior, 2–5–(16)-locular;  placentation axile to parietal;  ovules numerous.  Stigmas free, as many as locules.  Fr. usually a multicelled capsule opening when wet by as many winged or unwinged valves as the styles, by the action of 2 expanding keels on the inner surface of each;  locules with or without a lid;  each placenta with or without a distal tubercle, or tubercle 2-lobed;  rarely the fr. indehiscent, mucilaginous, or a berry or nut or circumscissile capsule.  Seeds numerous, ovoid, sometimes compressed, variously sculptured or smooth;  embryo large, curved around mealy endosperm.

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

Number of species and named hybrids in New Zealand within Aizoaceae
Indigenous (Endemic)4
Indigenous (Non-endemic)3
Exotic: Fully Naturalised8
Exotic: Casual8
Exotic: Cultivated1
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.