

Jaynes Canyon Buckwheat Eriogonum diclinum
Jaynes Canyon Buckwheat is a perennial shrub native to the lower 48 states. It blooms Jul – Aug. A host for pollen-specialist native bees.
More about this plant
Eriogonum diclinum is a species of wild buckwheat known by the common name Jaynes Canyon buckwheat. It is native to the Klamath Mountains of northern California and southern Oregon, where it is an uncommon member of plant communities on serpentine soils. This is a small dioecious shrub forming low, thick mats rarely exceeding 20 centimeters in height. The curving, oval-shaped leaves are woolly and greenish gray in color, growing up to two centimeters long. The plant flowers in yellow to reddish rounded inflorescences, male plants producing clusters of staminate flowers, and female plants producing larger clusters of pistillate flowers. Wikipedia →
Growing & care
USDA PLANTS · TRY- Hardiness
- ≥ zone 9 derived from its U.S. range
- Lifespan
- Perennial
Wildlife & pollinators
How pollinator value is scored →❧ Caterpillar hosts ~9 caterpillar species
Eriogonum supports ~9 caterpillar species.
Native butterfly & moth caterpillars are the base of the terrestrial food web — most songbirds rear their young almost entirely on them. As a host for native Lepidoptera this is a modest genus.
Recorded feeding on Eriogonum in North America, including:
+ 8 more species → ↑ show fewer
✦ 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. Eriogonum is a recorded specialist-bee host, so losing it can mean losing the bee that relies on it.
Sources for this entry (14) Open & cited
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