Scientific Name:

Herbs, rarely woody climbers, usually perennial, sometimes annual.  Lvs alternate, rarely opposite, exstipulate, rarely stipulate, usually ternate, ternatifid, or 1–2-pinnate.  Infl. a raceme, lax leafy cyme, panicle, or fls solitary.  Fls hypogynous, usually ☿, usually actinomorphic. Perianth of 1–2 whorls, differentiated into sepals and petals or all petaloid; segments free, clawed or not, sometimes 1 or more spurred or hooded.  Stamens usually numerous, in spiral whorls.  Carpels usually free, usually numerous, in spiral whorls.  Fr. an achene or follicle, rarely a berry.  Seeds smooth or sculptured;  embryo small, straight; endosperm copious.

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

Number of species and named hybrids in New Zealand within Ranunculaceae
Indigenous (Endemic)53
Indigenous (Non-endemic)5
Exotic: Fully Naturalised22
Exotic: Casual11
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Connor, H.E.; Fountain, J. 2009: Plants that Poison: A New Zealand Guide. Manaaki Whenua Press, Lincoln.
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.