Perennial evergreen herb to 80 cm high, multi-stemmed, each stem generally unbranched and biennial. Leaves alternate, clustered in rosette near the top of flowering stems; blades on stems elliptic to oblanceolate, 40-70 mm long, 7-27 mm wide; blades in whorl-head ovate to circular, 10-20 mm long, 7-15 mm wide, pale green; blade in floral head fused into saucer, 15-20 mm wide, each leaf circular to kidney-shaped. Floral head umbel with 5-8 rays, each twice forked and with the axillary rays twice forked. Cyathia 2.5-3 mm wide; glands 4, with 2 converging horns, yellow, yellow-brown or purple-red.

var. robbiae (Turrill) A. R.-Sm. Asia, Mrs Robb's Bonnet, leaves broader, darker green. Used as a spreading groundcover. Syn. E. robbiae Turrill.

Europe.

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.