Convolvulaceae

Evolvulus L.

First published in Sp. Pl., ed. 2.: 391 (1762)
This genus is accepted
The native range of this genus is Tropics & Subtropics.

Descriptions

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

Morphology General Habit
Annual or perennial herbs or subshrubs, not twining.
Morphology Leaves
Leaves usually small, simple, entire, various, often sessile.
Morphology Reproductive morphology Inflorescences
Inflorescences usually axillary cymes or terminal and then spike-like.
Morphology Reproductive morphology Flowers
Flowers small; bracteoles small.
Morphology Reproductive morphology Flowers Calyx
Sepals small, subequal acute or obtuse, not accrescent.
Morphology Reproductive morphology Flowers Corolla
Corolla funnel-shaped or campanulate to subrotate or salver-shaped, entire or lobed.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5, inserted above the middle of the corolla tube, rarely near the base; filaments linear, glabrous; anthers oblong.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary ovoid or globose, 1–2-locular, each loculus 2-ovulate; styles 2, filiform, free from the base, each forked; stigmas 4, linear-terete or slightly clavate.
Morphology Reproductive morphology Fruits
Capsule avoid or globose, 2–4 valved, 1–2-locular.
Morphology Reproductive morphology Seeds
Seeds 4 or fewer by abortion, glabrous.
[FZ]

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

Morphology General Habit
Annual or perennial herbs or subshrubs
Morphology Leaves
Leaves simple, various
Morphology Reproductive morphology Flowers
Flowers small, in small axillary cymes or in terminal spike-like inflorescences
Morphology Reproductive morphology Flowers Calyx
Sepals small, subequal, obtuse or acuminate, not accrescent
Morphology Reproductive morphology Flowers Corolla
Corolla funnel-shaped or the limb rotate, or salver-shaped, entire or lobed
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary ovoid or globose, 1–2-locular, each loculus with 2 ovules
Morphology Reproductive morphology Flowers Gynoecium Pistil
Styles 2, filiform, united at the base or free, each bifid; stigmas filiform or slightly clavate
Morphology Reproductive morphology Fruits
Capsule ovoid or globose, 1–4-seeded.
[FTEA]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology Reproductive morphology Fruits
Capsule 1–4-seeded.
Distribution
Some 100 species in the New World tropics, two of which extending to the Old World.
Morphology General Habit
Herbs or subshrubs
Morphology Leaves
Leaves simple
Morphology Reproductive morphology Inflorescences
Flowers small, in axillary cymes or in terminal spike-like inflorescences
Morphology Reproductive morphology Flowers Perianth
Sepals subequal. Corolla entire or lobed
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary ovoid or globose, 1–2-celled, each cell with 2 ovules; styles 2, filiform, united at the base or free, each 2-fid; stigmas filiform or slightly club-shaped
[FSOM]

George R. Proctor (2012). Flora of the Cayman Isands (Second Edition). Royal Botanic Gardens, Kew

Morphology General Habit
Annual or perennial herbs or small shrubs, the stems slender, creeping or erect, not twining; leaves small, simple and entire
Morphology Reproductive morphology Flowers
Flowers axillary, solitary or in stalked, 1–several. flowered clusters, rarely in terminal spikes; sepals equal or subequal; corolla small, blue or white, usually rotate, funnel- or salver-shaped, the limb obscurely 5-angled but unlobed, folded in bud
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5, inserted at the mouth of the corolla-tube
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2- celled, each cell with 2 ovules, or rarely 1-celled with 4 ovules; styles 2, free or slightly joined at the base, each 2-forked at the apex
Morphology Reproductive morphology Fruits
Capsule 2–4-valved, 1–4-seeded; seeds glabrous, smooth or minutely warty.
Distribution
A genus of more than 100 species, widely distributed in tropical and warm- temperate regions.
[Cayman]

Sources

  • Flora Zambesiaca

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

  • Flora of Somalia

    • Flora of Somalia
    • 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

  • Flora of the Cayman Islands

    • Flora of the Cayman Islands
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 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 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 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