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.
Praglowski, J. 1982: Fagaceae L.: Fagoideae. World Pollen and Spore Flora 11. Scandinavian University Press, Oslo.