Perennials, rhizomatous. Stems decumbent or trailing, to 10+ dm, glabrous or glab­rate. Leaf blades elliptic, oblong-elliptic, ovate, ovate-deltate, or ovate-lanceolate, 10–100 × 3–60 mm, length 1.6–3.3 times width, surfaces glabrous or abaxial puberulent. Inflorescences: flowers solitary or in 2–3-flowered cymes; bracts elliptic, linear, or obovate, 2–3(–9) mm. Flowers: sepals: outer elliptic, 3–4.5 mm, inner suborbiculate to obovate, 3.5–5 mm; corolla white, sometimes pink-tinged, campanulate, 12–25(–30) mm, limb 5-angled. Seeds tuberculate. 2n = 48, 50.

Phenology: Flowering Apr–Oct.
Habitat: Fields, disturbed sites, roadsides.
Elevation: -30–3000 m.

Distribution

Introduced

Discussion

Convolvulus arvensis is a major agricultural pest and is difficult to control. Numerous medicinal uses have been attributed to C. arvensis (D. F. Austin 2000).

Selected References

None.

Lower Taxa

None.