Oenothera hartwegii (syn. Calylophus hartwegii), Hartweg's sundrops, is a species of flowering plant in the evening primrose family Onagraceae.[2] It is native to the desert southwest of the United States, and to northern and western Mexico.[1] A perennial usually 30 to 45 cm (12 to 18 in) tall and 60 cm (24 in) wide, it is used locally as a drought-resistant ground cover.[2]

Oenothera hartwegii
At the Huntington Library, Art Museum and Botanical Gardens
Near Sierra Vista, Arizona
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Onagraceae
Genus: Oenothera
Species:
O. hartwegii
Binomial name
Oenothera hartwegii
Synonyms[1]
List
    • Calylophus hartwegii (Benth.) P.H.Raven
    • Calylophus hartwegii subsp. fendleri (A.Gray) Towner & Raven
    • Calylophus hartwegii subsp. filifolia (Eastw.) Towner & Raven
    • Calylophus hartwegii var. filifolia (Eastw.) Munz
    • Calylophus hartwegii var. maccartii Shinners
    • Calylophus hartwegii subsp. maccartii (Shinners) Towner & Raven
    • Calylophus hartwegii var. pubescens (A.Gray) Shinners
    • Calylophus hartwegii subsp. pubescens (A.Gray) Towner & Raven
    • Galpinsia camporum Wooton & Standl.
    • Galpinsia fendleri (A.Gray) A.Heller
    • Galpinsia filifolia (Eastw.) A.Heller
    • Galpinsia greggii (A.Gray) Small
    • Galpinsia hartwegii (Benth.) Britton
    • Galpinsia hartwegii var. fendleri (A.Gray) Small
    • Galpinsia interior Small
    • Galpinsia lampasana (Buckley) Wooton & Standl.
    • Galpinsia lavandulifolia var. glandulosa (Munz) Moldenke
    • Oenothera camporum (Wooton & Standl.) Tidestr.
    • Oenothera fendleri A.Gray
    • Oenothera filifolia (Eastw.) Tidestr.
    • Oenothera greggii A.Gray
    • Oenothera greggii var. lampasana (Buckley) Munz
    • Oenothera greggii var. pringlei Munz
    • Oenothera greggii var. pubescens A.Gray
    • Oenothera greggii var. typica Munz
    • Oenothera hartwegii subvar. filifolia (Eastw.) H.Lév.
    • Oenothera hartwegii var. filifolia (Eastw.) Munz
    • Oenothera hartwegii var. fendleri (A.Gray) A.Gray
    • Oenothera hartwegii var. pubescens (A.Gray) Allred
    • Oenothera hartwegii f. thymifolia H.Lév.
    • Oenothera hartwegii var. typica Munz
    • Oenothera interior (Small) G.W.Stevens
    • Oenothera lampasana Buckley
    • Oenothera lavandulifolia var. glandulosa Munz
    • Oenothera pringlei (Munz) Munz
    • Oenothera tubicula var. filifolia Eastw.
    • Salpingia hartwegii (Benth.) Raim.

Subtaxa

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The following subspecies are accepted:[1]

  • Oenothera hartwegii subsp. fendleri (A.Gray) W.L.Wagner & Hoch – Arizona, New Mexico, Kansas, Oklahoma, Texas, northeastern Mexico
  • Oenothera hartwegii subsp. filifolia (Eastw.) W.L.Wagner & Hoch – New Mexico, Texas, northeastern Mexico
  • Oenothera hartwegii subsp. hartwegii – Colorado, Texas, northern and western Mexico
  • Oenothera hartwegii subsp. maccartii (Shinners) W.L.Wagner & Hoch – Texas, northeastern Mexico
  • Oenothera hartwegii subsp. pubescens (A.Gray) W.L.Wagner & Hoch – Arizona, New Mexico, Colorado, Kansas, Oklahoma, Texas, northeastern Mexico

References

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  1. ^ a b c "Oenothera hartwegii Benth". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 5 December 2023.
  2. ^ a b "Calylophus hartwegii". Campus Arboretum. University of Arizona. 2012. Retrieved 5 December 2023. Botanical Synonyms: Oenothera hartwegii