Apocynaceae
Ceropegia

Ceropegia prostrata (E.A.Bruce) Bruyns

First published in S. African J. Bot. 112: 435 (2017)
This species is accepted
The native range of this species is W. Zambia. It is a tuberous geophyte 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: threatened. Confidence: confident
[AERP]

Goyder, D. J., Gilbert, M. G. & Venter, H. J. T. (2020). Apocynaceae (part 2). In: M. A. García (ed.), Flora Zambesiaca, Vol. 7(3). Royal Botanic Gardens, Kew.

Type
Zambia, Mwinilunga: SW of Matonchi Farm, fl. 14.xi.1937, Milne-Redhead 3242 (K holotype).
Vegetative Multiplication Tubers
Tuber discoid, to 3 cm diam., upper surface ± depressed
Morphology Stem
Stem prostrate, branched at base, branches 3–5, radiating, 4–6 cm long, internodes 6–10 mm long, to 1 mm thick, minutely pubescent
Morphology Leaves
Leaves herbaceous, erect, subsessile to shortly petiolate, petiole to 2 mm long; leaf blade ± fleshy, linear to narrowly lanceolate, 10–13 × 0.6–2 mm, flat, base narrowly cuneate or attenuate, margin narrowly revolute, apex acute, both surfaces glabrous
Morphology Reproductive morphology Inflorescences
Inflorescences from middle and upper nodes, extra-axillary; peduncle 3–4 mm long, 1-flowered
Morphology Reproductive morphology Flowers Pedicel
Pedicel 1–3 mm long, green marked with red, pubescent
Morphology Reproductive morphology Flowers Calyx
Sepals narrowly lanceolate, green marked red, 4–5 × c.1 mm, subequal to the corolla lobes, subglabrous
Morphology Reproductive morphology Flowers Corolla
Corolla c.8 mm diam.; tube campanulate, c.2 × 2.5 mm diam. at mouth, exterior glabrous, interior with long white hairs; lobes ovate- triangular, c.3.5 × 2.5 mm at base, rotate, apices acute, adaxially mahogany-red, fleshy with transverse rugose lines
Morphology Reproductive morphology Flowers Corona
Corona sessile, c.2 mm high; outer lobes joined laterally to form globose-urceolate tube, rim incurved, shortly 10-toothed, exceeding gynostegium; pinkish-red; inner lobes minute, incumbent on anthers, deltoid, c.0.5 mm long
Morphology Reproductive morphology Flowers Pollinia
Pollinia orange
Morphology Reproductive morphology Seeds
Follicles and seeds not recorded.
Distribution
Zambia: Endemic.
Ecology
In shallow soil overlying laterite, soil full of iron oxide nodules; 1300 m.
Conservation
DD. Still known only from the type collection made in 1937.
[FZ]

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

    • '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