Tuber round above, flat below. Leaves ivy-shaped or elliptic with an arrow-head base, margins entire or toothed. Flowers red, pink or white, a darker blotch at the base generally in a characteristic v shape and 'eared'. [C. neapolitanum Ten.]
Summer to autumn flowering.
S Europe to W Asia
Source: (1997). Primulaceae. In: . Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.