English: Willowherb family; Evening primrose family.
French: Oenotheraceae.
Members: ± 22 genera; ± 640 species.
Region: cosmopolitan.
BotanyHerbs, few shrubs and trees.
Stem: grouped vessels in wood.
Leaves: spiral; simple; exstipulate.
Inflorescence: indeterminate.
Flowers: valvulate calyx; stamens straight; pollen with viscid threads; anther locules divided.
TaxonomyOnagraceae is a
Family in
Myrtales in the
Apg3 classification.
In the
Plant theory it is treated in the same way and palled in
Subphase 2.