Difference between revisions of "Convolvulus arvensis"
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|genus=Convolvulus | |genus=Convolvulus | ||
|species=Convolvulus arvensis | |species=Convolvulus arvensis | ||
Latest revision as of 13:15, 24 November 2024
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.
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.