A rather spreading hairy annual with decumbent or ascending stems up to 60 cm long. Leaves up to 45 mm long; the basal ones oblanceolate or spathulate, the upper ones ovate, oblong or oblanceolate. Flowers solitary, in the leaf axils; peduncles up to 3 cm long, becoming curved in fruit; corolla funnel-shaped, 1.5 to 5 cm across, tricoloured with blue or blue-violet on the outside, white in the middle and yellow at the centre. Sepals about 5 mm long.
Local: Very rare in Gibraltar. Found mainly as a weed in cultivated plots, on imported soil.
Global: Found throughout the western Mediterranean region and the Canary Islands, and naturalised elsewhere.
Flowers from (March) April to May (June).
Grows on dry, open habitats, often on clayey soils, along roadsides.