Apocynaceae
Leptadenia

Leptadenia lanceolata (Poir.) Goyder

First published in Kew Bull. 69(4)-9552: 1 (2014)
This species is accepted
The native range of this species is W. Tropical Africa to Egypt and Tanzania. It is a climbing shrub and grows primarily in the seasonally dry tropical biome.

Descriptions

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]

Asclepiadaceae, A. A. Bullock. Flora of West Tropical Africa 2. 1963

Morphology General Habit
Twiner with corky bark on the older stems
Morphology Reproductive morphology Flowers
Flowers dull yellowish
Ecology
In dry savanna.
[FWTA]

Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

Figures
Fig 62, p 211
Morphology General Habit
Twining shrub; branches green, minutely pubescent
Morphology Leaves
Leaves with petiole 1–2 cm long; lamina extremely variable in shape, elliptic to broadly ovate or rarely hastate, 2.5–8(–12) × 1.5–4.5 cm, apex subacute to attenuate, base cuneate to truncate, minutely pubescent.
Morphology Reproductive morphology Inflorescences
Inflorescences extra-axillary with ± 20 flowers in a crowded umbel.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles 5–12 mm long, minutely pubescent.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 2–5 mm long, minutely pubescent
Morphology Reproductive morphology Flowers Calyx
Sepals oblong-lanceolate, 1.5–2.5 mm long, subacute, densely pubescent
Morphology Reproductive morphology Flowers Corolla
Corolla rotate, white to cream or orange, becoming darker with age; tube ± 1 mm long, glabrous within; lobes fleshy, oblong, 4–5 × 1 mm, acute, margins slightly revolute, upper surface lanate with white hairs, underside pubescent
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal corona forming a minute fleshy annulus around the base of the anthers.
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium ± 1.5 mm long, ± obscured by the corolline corona lobes
Morphology Reproductive morphology Fruits
Follicles occuring singly, lanceolate in outline, 8–11 × 1–1.5 cm, with a long-attenuate beak, stout, glabrous
[FTEA]

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

  • Flora of West Tropical Africa

    • Flora of West Tropical Africa
    • 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.
    • 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 2025. 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 2025. 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