field bindweed

Convolvulus arvensis

Member of bindweeds (genus Convolvulus)
bindweed family (family Convolvulaceae)
dicots (class Magnoliopsida)
pale purple, white in flowering plants

There are no other wild species of this genus in the bay area.

This species has no subspecies or varieties.

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• stigma lobes linear to narrowly spoon-shaped, distinctly separated, tips acute [example]
• calyx ± 5 mm
• corolla ≤ 40 mm
• anthers are often lined with pale-purple
• bracts > 1 mm below calyx, not hiding it

Toxicity of wild morning glory (Convolvulus arvensis):
1 – Skin contact with these plants can cause symptoms ranging from redness, itching, and rash to painful blisters like skin burns.
3 – Ingestion of these plants is expected to cause nausea, vomiting, diarrhea and other symptoms that may cause illness but is not life-threatening.

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Chris’s observations: 35 (34 are research grade)

Locations:

• Monte Bello OSP: 5
• Murray Ranch SP: 4
• Calero CP: 2
• Coyote Hills RP: 2
• Ed R. Levin CP: 2
• Santa Teresa CP: 2
• Sibley Volcanic RP: 2
• Skyline Ridge OSP: 2
• Bay Trail
• Coyote Lake / Harvey Bear Ranch CP
• Crockett Hills RP
• Dry Creek Pioneer RP
• Fremont Older OSP
• Joseph D. Grant CP
• La Honda Creek OSP
• Long Ridge OSP
• Mission Peak RP
• Rancho Cañada del Oro OSP
• Russian Ridge OSP
• San Pedro Valley CP
• Sierra Vista OSP
• Ulistac Natural Area, Santa Clara

Months:

• Apr.: 1
• May: 9
• Jun.: 8
• Jul.: 10
• Aug.: 4
• Sep.: 2
• Oct.: 1

For more details, use advanced search.

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Not all sites include this taxon:

• Convolvulus arvensis → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora