chamisso bush lupine

Lupinus chamissonis

Member of bush lupine complex (complex Lupinus albifrons)
lupines (genus Lupinus)
legume family (family Fabaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

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CalPhotos

• habit: shrub 50–200 cm, silvery, densely appressed-hairy
• stem: erect
• leaf: cauline; stipules 8–10 mm; petiole 1–3.5 cm; leaflets 5–9, 10–25 mm
• inflorescence: 5–20 cm, flowers ± whorled; peduncle 2–6 cm; pedicels 4–8 mm; bract 7–10 mm
• flower: 8–16 mm; calyx upper lip 5–7 mm, deeply lobed, lower 7–9 mm, entire; petals light violet to blue, banner back densely hairy, spot yellow
• keel upper margins glabrous, lower ± ciliate
• common in SF, also found near Cowell

Toxicity of blue bonnet, lupine (Lupinus spp.):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.

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Chris’s observations: none

Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora