Perennial herb to 1 m high, multi-stemmed, each stem generally branched and perennial. Leaves alternate, clustered in rosettes near the top of flowering stems; blades on stems lanceolate to oblanceolate, 20-60 mm long, 8-15 mm wide; blades in whorl-head ovate, 15-40 mm long; blades in floral head ovate, 10-18 mm long, 10-16 mm wide; yellow in spring, yellow-orange in autumn. Floral head umbel with 5-8 rays. Cyathia 3.5-4.5 mm wide, with rounded, toothed lobes; glands transversely oblong, yellow.
Source: (2002). Euphorbiaceae. In: . 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.