Browse => Angiosperms: Dicotyledons => Onagraceae

The species are presented in order by family and within families by genus. Pteridophytes, the ferns and fern allies, are first, followed by the flowering plants, dicots first and then monocots.

Onagraceae - Evening Primrose Family
The evening primrose family has four separate petals and four stigma segments in the shape of a cross. The petals are attached atop an elongated ovary that matures into a four-part dry fruit that begins splitting at the upper end to release the seeds.