The Onagraceae
The Onagraceae is often called the evening-primrose family. It is the only one of these 4-petal families that has an inferior ovary.
Plants of the Onagraceae have...
- 4 petals
- an inferior ovary
- a hypanthium (usually)
- 8 stamens (usually)
- a fruit that is a capsule (usually)
In the black-and-white drawings of enlargements and dissections above, figure 4a came from the top (distal end) of figure 4b:
On the yellow-flowered species below, identify parts: