Page authors: Don Knoke, David Giblin
Fallopia convolvulus
Black bindweed, black bindweed, cornbind
WTU specimens
Other herbaria

Distribution: Widely distributed throughout Washington; widely distributed throughout North America.

Habitat: Cultivated or waste ground.

Flowers: May-October

Origin: Introduced

Conservation Status: Not of concern


Usually glabrous annuals with trailing or climbing stems 3-10 dm. long.


Leaves on slender petioles, sagittate-ovate, 3-6 cm. long and half as broad; stipules obliquely funnel-form, not lacerate, brownish.


Flowers in axillary and terminal racemes, the individual racemes elongate, loose, interrupted, the flowers several per node; perianth green, five-parted, 3.5-4.5 mm. long, the outer three segments keeled, on short pedicles.


Achene with three sharp angles, black, smooth and shining, 3.5-4 mm. long.

Accepted Name:
Fallopia convolvulus (L.) Á. Löve
Publication: Taxon. 29: 300. 1970. 1970.

Synonyms & Misapplications:
Bilderdykia convolvulus (L.) Dumort.
Fallopia convolvulus (L.) Á. Löve var. subulata (Lej. & Courtois) D.H. Kent
Polygonum convolvulus L. [HC, JPM]
Polygonum convolvulus L. var. convolvulus [KZ99]
Reynoutria convolvulus (L.) Shinners
Tinaria convolvulus (L.) Webb & Moq. ex Webb & Berthel.
Additional Resources:

PNW Herbaria: Specimen records of Fallopia convolvulus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Fallopia convolvulus checklist entry.

E-Flora BC: Fallopia convolvulus atlas page.

CalPhotos: Fallopia convolvulus photos.

USDA Plants: Fallopia convolvulus information.

23 photographs:
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