Oenothera_caespitosa
Oenothera caespitosa
Species of flowering plant
Oenothera caespitosa, known commonly as tufted evening primrose, desert evening primrose, rock-rose evening primrose, or fragrant evening primrose, is a perennial plant of the genus Oenothera native to much of western and central North America, in habitats such as talus slopes and sandy plains.[1] It is normally night-blooming.[2]
The plant is considered good for rock gardens. There are many subtaxa, referred to as subspecies or varieties.