greater periwinkle

Vinca major

Member of periwinkles (genus Vinca)
european periwinkles (subtribe Vincinae)
dogbane family (family Apocynaceae)
dicots (class Magnoliopsida)
purple in flowering plants

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• corolla 3–5 cm wide
• leaf blade ± 7 cm
• leaf blade base is broader than the tip
• common throughout the bay area

Toxicity of blue buttons, vinca major (Vinca major):
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: 29 (all are research grade)

Locations:

• Stevens Creek CP: 4
• Calero CP: 3
• Mt. Madonna SP: 3
• San Pedro Valley CP: 3
• Purisima Creek Redwoods OSP: 2
• Almaden Quicksilver CP
• Alum Rock Park, San Jose
• Bear Creek Redwoods OSP
• Butano SP
• Cupertino, CA
• Edgewood Park & Natural Preserve
• Garrapata SP
• Nisene Marks SP
• Picchetti Ranch OSP
• Pleasanton Ridge RP
• Saratoga, CA
• Sibley Volcanic RP
• Waterdog Lake & Open Space
• Wunderlich CP

Months:

• Nov.: 1
• Dec.: 0
• Jan.: 1
• Feb.: 3
• Mar.: 8
• Apr.: 5
• May: 5
• Jun.: 1
• Jul.: 3
• Aug.: 2

For more details, use advanced search.

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Not all sites include this taxon:

• Vinca major → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora