Oenothera flava, the yellow evening primrose (a name it shares with Oenothera serrulata), is a species of flowering plant in the family Onagraceae.[2] It is native to western Canada (except British Columbia), the western and central United States, and Mexico (except southeastern Mexico), and it has been introduced to the former Czechoslovakia.[1] An almost stemless perennial reaching 20 cm (8 in), it is typically found in damp situations such as prairie swales, open woodlands, and alongside streams.[2]

References

  1. ^ a b "Oenothera flava (A.Nelson) Garrett". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 25 November 2023.
  2. ^ a b "Oenothera flava (A. Nelson) Garrett". Plant Database. Lady Bird Johnson Wildflower Center. 21 February 2023. Retrieved 25 November 2023. Yellow Evening-primrose, Long-tube Evening-primrose, Shortfin Evening-primrose, Yellow Evening Primrose