Oenothera

Scientific Name Oenothera cespitosa Nutt. ssp. marginata (Nutt. ex Hook. & Arn.) Munz Family Onagraceae Common Names fragrant or desert evening primrose; rock-rose Eastern Washington Native Synonyms Conservation Status Rare: Washington State threatened; rank G5T3T5/S1; USFS and BLM sensitive. Notes Click on any image to enlarge it.

Scientific Name Oenothera pallida Lindl. Family Onagraceae Common Names pale evening primrose Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.

Scientific Name Oenothera villosa Thunb. Family Onagraceae Common Names common evening primrose Eastern Washington Native Synonyms Conservation Status Notes Click on any image to enlarge it.

Scientific Name Oenothera biennis L. Family Onagraceae Common Names King’s-cureall, common evening primrose Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.

Scientific Name Oenothera curtiflora W.L. Wagner & Hoch Family Onagraceae Common Names small-flowered gaura, velvet weed, velvetweed Eastern Washington Introduced Conservation Status Notes Click on any image to enlarge it.

Scientific Name Oenothera cespitosa Nutt. ssp. cespitosa Family Onagraceae Common Names fragrant or desert evening primrose; rock-rose, butte primrose Eastern Washington Native Conservation Status Notes These images are from specimens that seem to best fit ssp. cespitosa (var. “purpurea” form), however, the capsules are short pedicellate. Click on any image to enlarge it.

Scientific Name Oenothera elata Kunth Family Onagraceae Common Names Hooker’s evening primrose, western evening primrose Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.