Page author: David Giblin
Convolvulus arvensis
field bindweed
Specimens
Photos

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.

Habitat: Fields, roadsides, open areas, wastelots, and other disturbed sites.

Flowers: April-October

Origin: Introduced from Europe

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees

Description:
General:

Perennial herbs from deep, widespread rhizomes, the stems trailing and somewhat twining, 2-20 dm. long, glabrous to densely pubescent.

Leaves:

Leaves alternate, petiolate; leaf blades usually sagittate or hastate, obtuse or pointed, 2-6 cm. long.

Flowers:

Flowers in the axils on peduncles exceeding the leaves, single with a pair of bracts about mid-length, or two with the shorter peduncle bractless; calyx divided to the base, the 5 lobes oblong, 4-5 mm. long, with papery margins; corolla funnel-shaped, white or purplish-pink, at least on the outside, 3-5 cm. long; stamens 5, attached near the base of the corolla alternate with the lobes; style slender, exceeding the stamens, the stigmas slightly flattened; ovary 2-celled, superior.

Fruits:

Capsule oblong-obconic, 5-7 mm. long

Accepted Name:
Convolvulus arvensis L.
Publication: Sp. Pl. 153. 1753.

Synonyms & Misapplications:
Convolvulus ambigens House
Additional Resources:

PNW Herbaria: Specimen records of Convolvulus arvensis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Convolvulus arvensis checklist entry.

OregonFlora: Convolvulus arvensis information.

E-Flora BC: Convolvulus arvensis atlas page.

CalPhotos: Convolvulus arvensis photos.

USDA Plants: Convolvulus arvensis information.

36 photographs:
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