Convolvulus arvensis L.
Convolvulus ambigens House
Convolvulus incanus auct. non Vahl
Strophocaulos arvensis (L.) Small
Bindweeds, sometimes called wild morning glories, are vines that twine around other plants or trail along the ground. They are native to temperate regions of Europe, Asia, Africa, North America, Australia, and Argentina. Though attractive, they are often considered invasive.
Identification: Plants are vines 20-79" (50-200 cm) high. Leaves are ¾-1¾" (2-5 cm) × ⅜-1" (1-3 cm) wide, either linear or shaped like arrowheads (sagittate). The flowers are trumpet-shaped, ⅜-⅞" (1-2.5 cm) in diameter, and white or pale pink. Seeds are ⅛" (3.2 mm) long, with two flat sides and a convex side, like an orange segment.
Some similar-looking plants:
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Polygonum convolvulus var. convolvulus
|Plant||Vines are 20-79" (50-200 cm) high.||Vine up to 12’ in length, stem light green or red||Vine up to 3' (1 m) long. At leaf nodes there is an ocrea.|
|Flowers||Trumpet-shaped, ⅜-⅞" (1-2.5 cm) in diameter, and white or pale pink. Small bracts are separate from the flowers.||Trumpet-shaped, up to 3” across, white or pink and white, with a yellow throat||Small, greenish-pink to greenish-white, in racemes (bunches); individual flowers are ⅛" (4 mm) long, racemes are up to 2½" (6.3 cm) long|
|Leaves||¾-1¾" (2-5 cm) × ⅜-1" (1-3 cm) wide, either linear or shaped like arrowheads (sagittate).||Shaped like arrowheads (sagittate)||Alternate, triangular or heart-shaped, lower corners of leaves aim inward toward the petiole (leaf stem)|
|Fruit||Seeds ⅛" (3.2 mm) long, with two flat sides and a convex side, like an orange segment.||Nearly round, in pairs, like segments of an orange||Three-sided, with a single dull black seed|
Convolvulus arvensis on Missouriplants.com
Convolvulus arvensis on Wikipedia
Convolvulus arvensis on the Virginia Tech Weed Identification Guide
Convolvulus arvensis at Illinois Wildflowers
Convolvulus arvensis on Vascular Plants of the Gila Wilderness
Convolvulus arvensis at the University of Wisconsin's Robert W. Freckmann Herbarium
Convolvulus arvensis at Southeastern Arizona Wildflowers and the Plants of the Sonoran Desert
Convolvulus arvensis on Wildflowers, Ferns & Trees of Colorado, New Mexico, Arizona, and Utah
Convolvulus arvensis on Kansas Wildflowers and Grasses
Convolvulus arvensis on the USDA Forest Service's Fire Effects Information Database
Convolvulus arvensis description by Thomas H. Kent, last updated 12 Oct 2018.