Oenothera drummondii (Beach Evening Primrose)
Botanical names: Oenothera drummondii, Oenothera littoralis
Common name: Beach Evening Primrose
Family: Onagraceae
Similar plants: Oenothera drummondii (Beach Evening Primrose)
Link to this plant:
https://toptropicals.com/catalog/uid/oenothera_drummondii.htm