sky lupine

Lupinus nanus

Member of lupines (genus Lupinus)
legume family (family Fabaceae)
dicots (class Magnoliopsida)
blue in flowering plants

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• habit: annual 10–60 cm, hairy
• leaf: petiole 2–8.5 cm; leaflets 5–9, generally 7, 10–40 mm, 1–12 mm wide, occasionally linear, adaxially hairy
• inflorescence: 2–20 cm, flowers generally whorled; peduncle 2–15 cm; pedicels 2.5–7 mm; bract 4–12 mm
• flower: 6–15 mm; calyx 4–8 mm, lips ± equal, upper deeply lobed; petals blue (light blue), lavender, pink, or white, banner as wide or wider than long, spot white
• keel upper margins without tooth, ciliate near tip, lower glabrous
• common

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: 15 (5 are research grade)

Locations:

• Andrew Molera SP: 2
• Coyote Lake / Harvey Bear Ranch CP: 2
• Sierra Azul OSP: 2
• Wilder Ranch SP: 2
• Calero CP
• Edgewood Park & Natural Preserve
• Fort Ord NM
• Joseph D. Grant CP
• Rancho Cañada del Oro OSP
• Russian Ridge OSP
• UCSC Campus Natural Reserve

Months:

• Mar.: 2
• Apr.: 5
• May: 4
• Jun.: 1
• Jul.: 3

For more details, use advanced search.

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Not all sites include this taxon:

• Lupinus nanus → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora