Apocynaceae
Ceropegia

Ceropegia campanulata G.Don

First published in Gen. Hist. 4: 112 (1837)
This species is accepted
The native range of this species is W. Tropical Africa to Uganda. It is a tuberous geophyte and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Perennial erect herb to 20 cm high.
Morphology General Exudate
Latex unknown.
Morphology Roots
Root system a small rounded tuber.
Morphology Stem
Stem annual, herbaceous, solitary, pubescent with whitish-translucent hairs
Morphology Leaves
Leaves sessile, herbaceous; lamina linear-lanceolate, ± 60 × 5 mm, base cuneate, apex acute, both surfaces densely minutely pubescent, margins finely ciliate
Morphology Reproductive morphology Inflorescences
Inflorescence sessile, pseudoumbellate, terminal or in apical part of stem, 1–2-flowered, flowers large, developing successively, scent unknown.
Morphology Reproductive morphology Inflorescences Bracts
Bracts subulate ± 1 mm long, pubescent beneath.
Morphology Reproductive morphology Flowers Pedicel
Pedicels ± 5 mm long
Morphology Reproductive morphology Flowers Calyx
Sepals lanceolate, ± 3 × 0.7 mm, abaxially minutely pubescent
Morphology Reproductive morphology Flowers Corolla
Corolla ± 90 mm long; tube 50–60 mm long, in basal 1/3 with an ovoid inflation ± 12 mm long × 9 mm diameter, narrowing gradually into a long ascending cylindrical part ± 3 mm diameter, shortly dilated in throat to ± 8 mm diameter; exterior flushed with numerous dark red spots especially in throat area, glabrous; interior colour unknown; lobes erect, linear from broadly deltoid bases, ± 2.5 mm long, plicate and in folded state ± 0.5 mm broad, apices connate, apical part of cage twisted, basal margins strongly rolled back on tube mouth, basal part of keel covered with whitish-translucent hairs; adaxially with dark-red spots, margins glabrous
Morphology Reproductive morphology Flowers Corona
Corona sessile, ± 4 × 4 mm, basally cupular, whitish-translucent but colour in life unknown, glabrous; outer lobes ovate and basally forming 5 shallow pouches ± 1.5 × 1 mm, apically deeply bifid, teeth parallel, triangular, obtuse, ± 0.4 mm long; inner lobes cylindrical with rounded apices, dorsiventrally compressed, ± spatulate, ± 2.7 mm high × 0.4 mm broad, erect and arching above stylar head then connivent ± midway and finally towards apices recurved
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers subquadrate and overtopping the rounded stylar head.
Morphology Reproductive morphology Flowers Pollinia
Pollinia bright yellow, ± 0.4 × 0.25 mm, corpusculum orange-brown, obovate, ± 0.33 × 0.21 × 0.1 mm
Morphology Reproductive morphology Fruits
Follicles and seed unknown.
[FTEA]

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

Morphology General Habit
Erect herb, 6 in.high, from a tuber
Morphology Reproductive morphology Flowers
Dark purple-brown flowers 2 in. long including the corolla lobes.
[FWTA]

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]

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