Gomphocarpus R.Br. >

Follicles ovoid and covered with weak green spines. Corolla c. 10 mm diam., white, corona white Gomphocarpus
consider the other alternative
Follicle ovoid-acuminate, 5 cm long, tapering into a very short curved beak. Teeth of the corona incurved. Shrub 1–2 m high. Leaves linear-lanceolate, 5–10 cm long, on short petioles. Widespread. Waste places and pastures. Introd. from S. Africa. Fl. spring–autumn. Narrow-leaved Cotton Bush Gomphocarpus fruticosus