miniature lupine
Lupinus bicolor
Member of
lupines (genus Lupinus)
legume family (family Fabaceae)
dicots (class Magnoliopsida)
purple in flowering plants
- habit: annual, 10–40 cm, hairy
- leaf: petiole 1–7 cm; leaflets 5–7, 10–40 mm, 1–5 mm wide, occasionally linear, adaxially generally ± glabrous
- inflorescence: 1–8 cm, flowers in (0)5 whorls; peduncle 3–10 cm; pedicels 1–3.5 mm; bract 4–6 mm
- flower: 4–10 mm; calyx upper lip 2–4 mm, deeply lobed, lower 4–6 mm; petals generally blue (light blue, pink, or white), banner longer than wide, spot white, in age magenta
- keel ± white, generally pointed, upper margins generally ciliate near tip
- compared to sky lupine (Lupinus nanus):
- plant is generally shorter (but not always)
- flowers are a bit more purple than blue
- upper keel margins have a slight lobe (hump) in the center
- very 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.
Chris’s observations: 73 (39 are research grade)
Locations:
- Henry Coe SP: 13
- Calero CP: 7
- Edgewood County Park & Natural Preserve: 6
- Fremont Older OSP: 5
- Almaden Quicksilver CP: 4
- Coyote Lake / Harvey Bear Ranch CP: 4
- Joseph D. Grant CP: 4
- Ed R. Levin CP: 3
- Rancho Cañada del Oro OSP: 3
- Santa Teresa CP: 3
- Castle Rock SP: 2
- Coyote Valley OSP: 2
- Long Ridge OSP: 2
- Pleasanton Ridge RP: 2
- Stevens Creek CP: 2
- Sunol Wilderness RP: 2
- Mission Peak RP
- Monte Bello OSP
- Pacheco SP
- Russian Ridge OSP
- Sierra Azul; OSP
- Sierra Vista OSP
- Skyline Ridge OSP
- Waterdog Lake & Open Space
- Wilder Ranch SP
Months:
- Mar.: 23
- Apr.: 27
- May: 17
- Jun.: 5
- Jul.: 1
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Taxon info:
iNaturalist
–
Calflora
–
CalPhotos
–
Jepson eFlora
–
FNA
Bay Area species:
iNaturalist
–
Calflora
