A broad-crowned tree to about 10 m tall with slender, straight thorns up to 8 cm long. Leaves mostly 3-8 cm long, ovate to oblong, wedge-shaped at the base, smooth, leathery, the tip rounded, margin finely toothed, colouring orange-red in autumn. Flowers about 1.5 cm wide; Sept-Oct. Fruits about 1 cm wide, dull red to scarlet with creamy red pulp, remaining on tree for some time; seeds mostly 2.
Extremely long thorns. C. ×grignonensis Mouill., Red Fruit Mexican Hawthorn, is occasionally offered; it is an almost thornless large shrub with upright branches. Leaves ovate with a few blunt lobes and fine teeth. Fruit brick orange-red with yellow flesh, mostly 2.5-3 cm wide with grey-brown dots and mostly 3 seeds. A hybrid, C. crus-galli × C. pubescens, it was raised in Frankfurt, Germany, in 1873 and can be recognised by the persistent half-moon-shaped stipules at the base of the leaves.
ACT: Acton (Kendall St).
Source: (2002). Rosaceae. 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.