Convolvulaceae
Convolvulus

Convolvulus arvensis L.

First published in Sp. Pl.: 153 (1753)
This species is accepted
The native range of this species is Temp. & Subtropical Old World. It is a perennial and grows primarily in the temperate biome.

Descriptions

Convolvulaceae, Maria Leonor Gonçalves. Flora Zambesiaca 8:1. 1987

Morphology General Habit
Perennial herb forming several to many annual stems from a long taproot.
Morphology Stem
Stems prostrate or twining, angular, sparsely pubescent to glabrous.
Morphology Leaves
Leaf lamina entire, ovate-oblong or oblong, 1·5–4·5 × 0·5–1·5 cm., with a hastate or sagittate base, obtuse or mucronulate at the apex, glabrous or thinly hairy; petiole 5–10 mm. long.
Morphology Reproductive morphology Flowers
Flowers axillary, solitary or sometimes 2–3 flowered cymes; peduncles 1–1·5 cm.; bracts linear, about 2 mm. long; pedicels up to 10 mm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals slightly unequal, elliptic-circular or oblong, 3.5–5 mm. long.
Morphology Reproductive morphology Flowers Corolla
Corolla white or pink or both, broadly funnel-shaped, about 2 cm. long in the limb shallowly lobed, glabrous except at apices of the midpetaline areas.
Morphology Reproductive morphology Fruits
Capsule ovoid-globose, glabrous, 4-seeded.
Morphology Reproductive morphology Seeds
Seeds dark brown or black.
[FZ]

Convolvulaceae, B. Verdcourt (East African Herbarium). Flora of Tropical East Africa. 1963

Morphology General Habit
Perennial herb; stems prostrate or twining, glabrous or pubescent.
Morphology Leaves
Leaf-blade glabrescent, ovate-oblong to lanceolate, 1.5–7.5 cm. long, 1–3 cm. wide, obtuse or mucronulate at the apex, hastate or sagittate at the base; petiole 0.5–2 cm. long.
Morphology Reproductive morphology Inflorescences
Peduncle 1(–2–3)-flowered, 2–4 cm. long; bracts linear, about 3 mm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals elliptic-orbicular or oblong, 3.5–5 mm. long, 2–3.5 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Corolla white or pink or both, broadly funnel-shaped, about 2 cm. long.
Morphology Reproductive morphology Fruits
Capsule glabrous, ovoid-globose, 5–8 mm. long, 4-seeded.
Morphology Reproductive morphology Seeds
Seeds dark brown or black, 3–4 mm. long.
Habitat
Weed in cultivations on black cotton and other soils; about 1500 m.
Distribution
widely distributed in the temperate regions of both hemispheresa frequently introduced European weed in the Kenya highlands K3 K4 K6
[FTEA]

Sources

  • Art and Illustrations in Digifolia

    • Digital Image © Board of Trustees, RBG Kew

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Science Photographs

    • Copyright applied to individual images

  • Neotropikey

    • Milliken, W., Klitgard, B. and Baracat, A. (2009 onwards), Neotropikey - Interactive key and information resources for flowering plants of the Neotropics.
    • http://creativecommons.org/licenses/by/3.0