Echium L.

4 species naturalized Aust.; all states and territories

Erect biennial herbs up to 1 m high, scabrous-hairy. Basal leaves petiolate; cauline leaves alternate, sessile. Flowers in monochasia arranged in a panicle. Calyx deeply 5-cleft. Corolla funnel-shaped, with a straight tube, purplish blue or rarely white; lobes 5, unequal. Stamens 5, unequal, at least some exserted. Articles 4, attached to the flat receptacle by their flat bases.