Taraxia subacaulis is a species of evening primrose known by the common name diffuseflower evening primrose. It is native to the western United States, where it grows in several habitat types, especially in mountainous areas. It is a fleshy perennial herb growing from a taproot and usually lacking a stem. The leaves are lance-shaped to oval and up to 22 centimeters long and are borne on long petioles. The flower has yellow petals, each up to 1.5 centimeters long, and a large, bulbous stigma tip. The fruit is a leathery capsule 1 to 3 centimeters long.

Taraxia subacaulis
Taraxia subacaulis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Onagraceae
Genus: Taraxia
Species:
T. subacaulis
Binomial name
Taraxia subacaulis
Synonyms
  • Camissonia subacaulis (Pursh) P.H.Raven
  • Jussiaea subacaulis Pursh
  • Oenothera subacaulis (Pursh) Garrett
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