Convolvulaceae
Ipomoea

Ipomoea polhillii Verdc.

First published in Kew Bull. 21: 89 (1967)
This species is accepted
The native range of this species is Tanzania to Malawi. It is a subshrub and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Perennial herb with all parts more or less densely covered with long spreading and appressed hairs.
Morphology Stem
Stems prostrate, several radiating creeping shoots from a narrow rootstock, slender, more or less densely covered with long spreading and appressed yellowish hairs.
Morphology Leaves
Leaf lamina oblong-ovate, 1·5–4 × 1–2 cm., entire, acute or more or less rounded at the mucronulate apex, rounded to subcordate at the base, more or less densely covered with appressed yellow and whitish hairs; petiole 3–8 mm. long, hairy as the stems.
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, 1–2 flowered; peduncle 2–8 mm. long; pedicels 3–20 mm. long; bracts linear up to 3 mm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals lanceolate 6·5–7 mm. long, acuminate, the inner ones with hyaline margin, all covered with spreading yellowish hairs.
Morphology Reproductive morphology Flowers Corolla
Corolla funnel-shaped, white, more or less 2–7 cm. long, midpetaline areas fuscous and hairy at the apices.
Morphology Reproductive morphology Fruits
Capsule and seeds unknown.
[FZ]

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: threatened. Confidence: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Flora Zambesiaca

    • Flora Zambesiaca
    • 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 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