Oenothera

Oenothera pallida subsp. runcinata

Oenothera cespitosa subsp. crinita

Oenothera berlandieri subsp. pinifolia

Oenothera hartwegii subsp. fendleri

Oenothera hartwegii subsp. maccartii

Oenothera hartwegii

Oenothera cinerea subsp. parksii

Oenothera epilobiifolia subsp. cuprea

Oenothera epilobiifolia

Oenothera pilosella subsp. sessilis

Oenothera macrocarpa subsp. fremontii

Oenothera macrocarpa subsp. oklahomensis

Oenothera macrocarpa

Bigfruit evening primrose

Oenothera stricta subsp. altissima

Oenothera villosa subsp. strigosa

Oenothera villosa

Hairy evening primrose

Oenothera brandegeei

Oenothera drummondii subsp. thalassaphila

Oenothera drummondii

Beach evening-primrose

Oenothera elata subsp. hookeri