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tansyleaf evening-primrose
Scientific Name: Camissonia tanacetifolia
Family: Onagraceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Taraxia tanacetifolia - Tansyleaf Evening Primrose
Taraxia tanacetifolia, also known as Tansyleaf Evening Primrose, is a captivating plant native to the western United States. It is also commonly called Tansy-leaf Suncup, Tansy-leaved Suncup, and Sierra Valley Evening-primrose.
Taxonomy and Nomenclature
- Family: Onagraceae (Evening-primrose family)
- Kingdom: Plantae
- Taxonomic Rank: Species, Subspecies (Camissonia tanacetifolia subsp. tanacetifolia)
- Synonyms: Oenothera tanacetifolia (Torr. & A. Gray), Camissonia tanacetifolia (Torr. & Gray) P.H. Raven
- Alternative Scientific Name: Camissonia tanacetifolia Torrey & A. Gray
Distribution and Habitat
This species thrives on seasonally moist ground in fairly dry areas east of the Cascade and Sierra mountain ranges in the western U.S. It can dominate dry lakebeds.
Morphological Characteristics and Growth Habits
- Camissonia tanacetifolia is described as a gray-green, densely hairy forb/herb.
- It is a perennial plant.
- It features greenish yellow blooms (in the subspecies Camissonia tanacetifolia subsp. tanacetifolia).
Ecological Role
In certain environments, such as dry lakebeds, Tansyleaf Evening Primrose can become the dominant species, influencing the overall vegetative composition.
Further Information
More information can be found on Discover Life's page about the biology, natural history, ecology, identification, and distribution of Camissonia tanacetifolia.