Lupinus saxosus

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Lupinus saxosus, known as rock lupine, is a secure species of lupine found in parts of the western United States.

Distribution
- Native to eastern Washington, eastern Oregon, and the northeast corner of California
- It may also occur in Idaho and Nevada

Description
- Perennial herb, about 20–30 cm tall (roughly 8–12 inches)
- Leaves are palmate with 7–13 hairy leaflets (each 1–4 cm long)
- Leaf undersides and edges have hairs; the top of the leaves is not hairy
- Flowers form a dense spike (raceme); each flower is 1–2 cm long and blue with a yellowish or violet patch on the banner
- Fruit is a shaggy-haired pod up to 4 cm long

Bloom time
- Flowers mainly in May and June (early spring)

Habitat
- Grows in poor, rocky soils, often in shallow soils over basalt bedrock
- Found at elevations around 4,000–6,000 feet (1,200–1,800 meters)

Notes
- It is shorter than many other lupines
- Do not eat any part of this plant