Onagraceae

Stamens twice as many as the petals Onagraceae
Floral tube not extending above the ovary
Sepals falling soon after flower opens. Terrestrial plants
Fruit a terete, indehiscent capsule; seeds numerous usually with a tuft of hairs. Petals pink white or purple. Epilobium
Fruit ellipsoid, 4-angled; seeds 1–few, without a tuft of hairs; petals white, red to yellow with age Gaura