Plants to 1 m high with many wiry stems arising from a woody rootstock. Stems slender, erect or ascending, angular in cross-section. Leaves stalkless or shortly stalked; lower leaves ovate, spathulate or linear. Stipules red, elliptic to ovate. Male flowers several to each cluster; calyx tube bell-shaped, about 1 mm long, lobes triangular to elliptic,1-1.2 mm long. Female flowers solitary or up to 3 in a cluster; calyx tube broadly bell-shaped, 0.5-1 mm long, lobes triangular to ovate, 1-1.3 mm long.
Three varieties are recognised with A. xiphloclada var. xiphoclada occasionally cultivated.
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.