Ipomoea wightii (Wall.) Choisy

First published in Mém. Soc. Phys. Genève 6: 470 (1833 publ. 1834)[Conv. Or.: 88]
This species is accepted
The native range of this species is Ethiopia to S. Africa, Madagascar, India to Bangladesh, Sri Lanka. It is a climbing perennial and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
A very variable perennial; stems twining or prostrate, up to 4 m. long, covered with ± spreading yellowish hairs.
Morphology Leaves
Leaf-blade ovate-cordate, up to 10(–13) cm. long and 7(–12) cm. wide in outline, either entire or shallowly to deeply 3-lobed, with lobes acute and margins entire or crenate, green but pilose above, with dense to very sparse white-cottony tomentum beneath; petiole up to 9.5 cm. long.
Morphology Reproductive morphology Flowers
Flowers in few- to many-flowered, dense to somewhat lax heads, very rarely solitary; peduncle 7–29 cm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals linear to ovate-lanceolate, 6–16 mm. long, 2.5–5 mm. wide, obtuse or acuminate, with 3 kinds of indumentum, white-cottony tomentum, adpressed or spreading yellow bristles and sessile or stalked marginal glands; one or more of these kinds may be absent.
Morphology Reproductive morphology Flowers Corolla
Corolla magenta or mauve, 2–3(–5) cm. long, glabrous or ± yellow-bristly above.
Morphology Reproductive morphology Fruits
Capsule globose, 6–7 mm. in diameter, slightly to densely bristly above or with faint white tomentum.
Morphology Reproductive morphology Seeds
Seeds ovoid, 4 mm. long, black with scattered lines of short and long white hairs.
[FTEA]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/158243/768495

Conservation
LC - least concern
[IUCN]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • 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/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • 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