Amperea Adr.Juss.

Named for Antoine M.Ampère (1775–1836), Professor of Physics, Collège de France, Paris.

Subshrubs, male and female flowers on the same plant or not, perennial, evergreen; stems and foliage without latex. Indumentum of simple, multicellular hairs. Stipules entire or divided, inconspicuous, soon shed. Leaves alternate, often much reduced, unlobed, penninerved, without glands; margins entire. Inflorescences axillary in clusters or spikes, unisexual with flowers in bracted clusters. Male flowers stalked; calyx forming a short tube, lobes 3-5; petals absent; disk absent; stamens 3-12, filaments free. Female flowers 1-several in bracts, stalked; calyx forming a short tube, lobes 4 or 5; petals absent; disk absent; ovary 3-chambered, ovules 1 per chamber; styles 3, shortly fused, usually divided into 2. Fruit capsular, dehiscent, ovoid, surface smooth. Seeds ovoid to obloid; carunculate.

8 species endemic to Australia, 1 species occasionally cultivated.


Wiry subshrub with much reduced leaves.

Henderson (1992).

Source: Forster, P. (2002). Euphorbiaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.

Hero image
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Malpighiales
family       Euphorbiaceae
Higher taxa
Subordinate taxa
species         Amperea xiphoclada (Sprengel) Druce