Onagraceae
Stamens twice as many as the petals Onagraceae
Corolla yellow sometimes tinged bronze-red with age
Flowers up to 1.5 cm diam
Hairs on the stem very short and all ± the same size. Leaves elliptic to oblong, up to 2 cm long, sinuate. Capsule cylindrical, 15–20 mm long, pubescent. Erect herb up to 40 cm high, with a rhizome. Coast and Cumberland Plain. Sandy soils, often on sand dunes. Introd. from S. America. Fl. spring–autumn Oenothera indecorabonariensis
Some hairs on the stem 2 mm long or longer, others shorter. Leaves lanceolate to elliptic or oblong, up to 4 cm long, sinuate. Capsule cylindrical, 20–30 mm long, villous-pubescent. Erect herb. Waste places, usually on sandy soils. Coast. Introd. from America. Fl. winter–summer Oenothera mollissima