Subordinate Taxa
Scientific Name:

Deciduous or evergreen, monoecious trees or rarely shrubs.  Buds with imbricate scales.  Lvs alternate, simple, penninerved;  stipules caducous. Fls usually axillary on young shoots;  perianth (calyx) 4–6–(7)-lobed, imbricate;  ♂ fls in slender spikes (catkins);  ♀ fls solitary or in groups of 3, sometimes at base of ♂ spike.  Corolla 0.  Stamens generally as many as or twice as many as calyx lobes, occasionally to  c.  40; filaments free, filiform.  ♀ fls within an involucre of imbricate bracts, often numerous;  perianth adnate to ovary.  Ovary inferior, 3–6-celled, and each cell with 2 ovules.  Styles as many as ovary cells.  Fr. a 1-seeded nut; involucre cupulate, free or adnate to and partly or completely enclosing the fr., often hard, tuberculate or spiny. Seed 1, non-endospermic.

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

Number of species in New Zealand within Fagaceae
Exotic: Fully Naturalised4
Exotic: Casual5
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Cronquist, A. 1988: The evolution and classification of flowering plants. The New York Botanic Gardens, New York.
Langdon, L.M. 1947: The comparative morphology of the Fagaceae. I. The genus Nothofagus. Botanical Gazette 108: 350–371.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.
Philipson, W.R.A. 1988: Seedling and shoot morphology of the New Zealand species of Nothofagus (Fagaceae). New Zealand Journal of Botany 26: 401–407.
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