Solanum linnaeanum Hepper & P.-M.L.Jaeger

• an upright or spreading shrub usually growing up to 1.5 m tall.
• its stems, leaf stalks, both leaf surfaces and flower stalks are all usually armed with stout prickles or spines (3-15 mm long).
• its alternately arranged leaves (2.5-15 cm long) are usually deeply lobed.
• its star-shaped purple flowers (15-35 mm across) have five petals and are borne singly or in small clusters near the tips of the branches.
• its globular berries (20-35 mm in size) are green with paler green or whitish mottling when young, and turn bright yellow when mature.

[From: Environmental Weeds of Australia]