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Reveal, James L.

Camissonia tanacetifolia

Camissonia tanacetifolia (Torr. & A. Gray) P.H. Raven

Tansyleaf Evening-primrose, Tansy-leaf Evening-primrose

Onagraceae (Evening Primrose Family)

Synonym(s):

USDA Symbol: CATA2

USDA Native Status: L48 (N)

A dandelion-like rosette of jagged-edged leaves and bright yellow flowers with 4 broad petals.

This is representative of several low, yellow-flowered evening primroses without stems. The root of this plant branches beneath the ground, and the plants form patches on the surface. It was previously placed in the big genus Oenothera, but the knob at the end of the style indicates it belongs in Camissonia.

From the Image Gallery

12 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 4 inches tall in flower, by 16 inches across.

Bloom Information

Bloom Color: Yellow
Bloom Time: May , Jun , Jul , Aug

Distribution

USA: CA , ID , NV , OR , WA
Native Distribution: Eastern Washington south through Sierra Nevada and east to Idaho and Montana.
Native Habitat: Soil moist in spring but drying by summer, from sagebrush plains to pine forests.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Camissonia tanacetifolia in USDA Plants
FNA: Find Camissonia tanacetifolia in the Flora of North America (if available)
Google: Search Google for Camissonia tanacetifolia

Metadata

Record Modified: 2023-04-19
Research By: TWC Staff

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