Onagraceae
English: Willowherb family; Evening primrose family.
French: Oenotheraceae.
Members: ± 22 genera; ± 640 species.
Region: cosmopolitan.
Botany
Herbs, 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.
Taxonomy
Onagraceae 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.