Onagraceae >
Stamens twice as many as the petals Onagraceae
Corolla whitish to deep pink
Flowers 2–5 cm diam. Free part of floral tube mostly more than 1 cm long
Hairs on the stem long, spreading. Fruit ribbed, 10–15 mm long; upper fertile part 6–8 mm diam. Leaves ovate to lanceolate, 2–5 cm long, usually ± pinnatifid. Erect herb. Garden escape near habitation. Introd. from trop. America. Fl. summer–autumn Oenothera tetraptera