Diffuseflower Evening Primrose Camissonia subacaulis
Diffuseflower Evening Primrose is a perennial wildflower native to the lower 48 states. It blooms May – Jul. A host for pollen-specialist native bees.
More about this plant
Taraxia subacaulis is a species of evening primrose known by the common name longleaf suncup. It is native to the western United States, where it grows in several habitat types, especially in mountainous areas in moist meadows. 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 4 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. Wikipedia →
Growing & care
USDA PLANTS · TRY- Hardiness
- ≥ zone 6 derived from its U.S. range
- Lifespan
- Perennial
Wildlife & pollinators
How pollinator value is scored →❧ Caterpillar hosts Documented caterpillar host
Recorded feeding on Camissonia in North America, including:
✦ Bees specialist-bee host
Specialist native bees depend on it.
Some native bees are pollen specialists (oligolectic) — they raise young only on pollen from particular plant genera. Camissonia is a recorded specialist-bee host, so losing it can mean losing the bee that relies on it.
Sources for this entry (10) Open & cited
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