Oenothera pallida

Oenothera pallida
Close up of flowers
Habit
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Onagraceae
Genus: Oenothera
Species:
O. pallida
Binomial name
Oenothera pallida
Subspecies[1]
  • O. p. subsp. latifolia
  • O. p. subsp. pallida
  • O. p. subsp. runcinata
  • O. p. subsp. trichocalyx
Synonyms[1]
List
    • Anogra cinerea
    • Anogra gypsophila
    • Anogra latifolia
    • Anogra leucotricha
    • Anogra pallida
    • Anogra rhizomata
    • Anogra runcinata
    • Anogra trichocalyx
    • Anogra violacea
    • Anogra vreelandii
    • Baumannia douglasiana
    • Oenothera latifolia
    • Oenothera runcinata
    • Oenothera trichocalyx
    • Oenothera wislizeni

Oenothera pallida, the pale evening-primrose, is a species of flowering plant in the family Onagraceae.[2] It is native to British Columbia, the western United States, and northern Mexico.[1] Flowers start out white and fade to pink.[2]

Taxonomy

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Oenothera pallida was scientifically described and named by John Lindley in 1828. It is part of the genus Oenothera in the Onagraceae family.[1]

The following subspecies are accepted:[1]

  • Oenothera pallida subsp. latifolia (Rydb.) Munz – Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Utah, Wyoming[3]
  • Oenothera pallida subsp. pallida – British Columbia, Arizona, Colorado, Idaho, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming[4]
  • Oenothera pallida subsp. runcinata (Engelm.) Munz & W.E.Klein – Arizona, Colorado, New Mexico, Texas, Utah, northern Mexico[5]
  • Oenothera pallida subsp. trichocalyx (Nutt.) Munz & W.E.Klein – Arizona, Colorado, New Mexico, Utah, Wyoming[6]

It has 41 synonyms of the species or one of its four subspecies.[1][3][4][5][6]

Table of Synonyms
Name Year Rank Synonym of: Notes
Anogra cinerea Rydb. 1904 species subsp. latifolia = het.
Anogra gypsophila (Eastw.) A.Heller 1900 species subsp. runcinata = het.
Anogra latifolia (Rydb.) Rydb. 1904 species subsp. latifolia ≡ hom.
Anogra leucotricha Wooton & Standl. 1913 species subsp. runcinata = het.
Anogra pallida (Lindl.) Britton 1894 species O. pallida ≡ hom.
Anogra pallida var. brevifolia (Engelm.) Small 1896 variety subsp. runcinata = het.
Anogra pallida var. latifolia (Rydb.) Small 1896 variety subsp. latifolia ≡ hom.
Anogra pallida var. runcinata (Engelm.) Small 1896 variety subsp. runcinata ≡ hom.
Anogra rhizomata A.Nelson 1899 species subsp. trichocalyx = het.
Anogra runcinata (Engelm.) Wooton & Standl. 1913 species subsp. runcinata ≡ hom.
Anogra trichocalyx (Nutt.) Small 1896 species subsp. trichocalyx ≡ hom.
Anogra violacea A.Nelson 1904 species subsp. trichocalyx = het.
Anogra vreelandii Rydb. 1904 species subsp. trichocalyx = het.
Baumannia douglasiana Spach 1835 species O. pallida ≡ hom., nom. superfl.
Oenothera albicaulis var. brevifolia Engelm. 1862 variety subsp. runcinata = het.
Oenothera albicaulis var. gypsophila Eastw. 1897 variety subsp. runcinata = het.
Oenothera albicaulis var. pallida (Lindl.) H.Lév. 1909 variety O. pallida ≡ hom.
Oenothera albicaulis var. runcinata Engelm. 1862 variety subsp. runcinata ≡ hom.
Oenothera albicaulis var. trichocalyx (Nutt.) Engelm. 1862 variety subsp. trichocalyx ≡ hom.
Oenothera latifolia (Rydb.) Munz 1931 species subsp. latifolia ≡ hom.
Oenothera pallida subsp. gypsophila (Eastw.) Munz & W.E.Klein 1965 subspecies subsp. runcinata = het.
Oenothera pallida var. idahoensis Munz 1931 variety subsp. pallida = het.
Oenothera pallida var. latifolia Rydb. 1895 variety subsp. latifolia ≡ hom.
Oenothera pallida var. runcinata (Engelm.) Cronquist 1992 variety subsp. runcinata ≡ hom.
Oenothera pallida var. trichocalyx (Nutt.) Dorn 1988 variety subsp. trichocalyx ≡ hom.
Oenothera pallida var. typica Munz 1931 variety O. pallida ≡ hom., not validly publ.
Oenothera runcinata (Engelm.) Munz 1931 species subsp. runcinata ≡ hom.
Oenothera runcinata var. brevifolia (Engelm.) Munz 1931 variety subsp. runcinata = het.
Oenothera runcinata var. gypsophila (Eastw.) Munz 1931 variety subsp. runcinata = het.
Oenothera runcinata var. leucotricha (Wooton & Standl.) Munz 1931 variety subsp. runcinata = het.
Oenothera runcinata var. typica Munz 1931 variety subsp. runcinata ≡ hom., not validly publ.
Oenothera tetragona var. latifolia (Rydb.) Fernald 1949 variety subsp. latifolia ≡ hom.
Oenothera tetragona f. latifolia (Rydb.) Munz 1937 form subsp. latifolia ≡ hom.
Oenothera trichocalyx f. acaulis H.Lév. 1909 form subsp. trichocalyx = het.
Oenothera trichocalyx f. albicauloidea H.Lév. 1909 form subsp. trichocalyx = het.
Oenothera trichocalyx f. heterophylla H.Lév. 1909 form subsp. trichocalyx = het.
Oenothera trichocalyx f. mollis H.Lév. 1909 form subsp. trichocalyx = het.
Oenothera trichocalyx f. refracta H.Lév. 1909 form subsp. trichocalyx = het.
Oenothera trichocalyx Nutt. 1840 species subsp. trichocalyx ≡ hom.
Oenothera trichocalyx var. piperi Jeps. 1936 variety subsp. trichocalyx = het.
Oenothera wislizeni H.Lév. 1909 species subsp. runcinata = het.
Notes: ≡ homotypic synonym ; = heterotypic synonym

References

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  1. ^ a b c d e f "Oenothera pallida Lindl". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 September 2025.
  2. ^ a b "Oenothera pallida Lindl". Plant Database. Lady Bird Johnson Wildflower Center. 20 April 2023. Retrieved 23 November 2023.
  3. ^ a b "Oenothera pallida subsp. latifolia (Rydb.) Munz". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 September 2025.
  4. ^ a b "Oenothera pallida subsp. pallida". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 September 2025.
  5. ^ a b "Oenothera pallida subsp. runcinata (Engelm.) Munz & W.E.Klein". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 September 2025.
  6. ^ a b "Oenothera pallida subsp. trichocalyx (Nutt.) Munz & W.E.Klein". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 September 2025.