Apocynaceae
Ceropegia

Ceropegia barberae (Harv. ex Hook.f.) Bruyns

First published in S. African J. Bot. 112: 433 (2017)
This species is accepted
The native range of this species is Zimbabwe to S. Africa. It is a tuberous geophyte and grows primarily in the subtropical biome.

Descriptions

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
South Africa, Transkei, valleys of Tsomo River, painting by Mrs. Barber (K iconotype).
Vegetative Multiplication Tubers
Tuber 8–20 cm diam., upper surface depressed
Morphology Stem
Stems 1–few, 5–10 cm tall, ± coarsely pubescent
Morphology Leaves
Leaves herbaceous, spreading, base attenuate into short petiole; leaf blade oblanceolate to linear-oblong, 70–100 × 25–50 mm; base tapering, apex acute to obtuse, both surfaces coarsely pubescent, denser abaxially
Morphology Reproductive morphology Inflorescences
Inflorescence apparently terminal, usually of two opposite, sessile, cymes; cyme umbel-like, spherical, 10–15 cm diam., up to 25-flowered, most opening simultaneously, strongly foetid
Morphology Reproductive morphology Flowers Pedicel
Pedicel 10–20 mm long, spreading-pubescent
Morphology Reproductive morphology Flowers Calyx
Sepals linear-triangular, 8–11 × c.1 mm, abaxially pubescent
Morphology Reproductive morphology Flowers Corolla
Corolla 20–45 mm long, 20–25 mm diam., divided for c.¾ of length; tube campanulate, 5–7 × c.10 mm wide at mouth, exterior pubescent or glabrous, interior yellow with concentric brownish-maroon lines and spots, pubescent or glabrous; sinuses acute, flat; lobes triangular-ovate at base, tapering to linear above, 25–50 mm long, revolute, apices connate to form ellipsoid cage, apex subacute, abaxially puberulent, adaxially reddish brown or yellow with reddish brown stripes, glabrous
Morphology Reproductive morphology Flowers Corona
Corona campanulate, c.1 mm high; outer lobes truncate to subtruncate, sometimes with lateral teeth; inner lobes arising from inner wall of outer lobes, incumbent on anthers, obtuse-linear, c.1 mm long
Morphology Reproductive morphology Flowers Pollinia
Pollinia brown
Morphology Reproductive morphology Seeds
Seeds not recorded. Follicles erect-spreading, thickly fusiform, c.5 × 1 cm, thick-walled
Ecology
Grassland on sandy soil subject to burning; 1500 m.
Conservation
LC: Uncommon in the Flora area but often collected in South Africa.
[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: not 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

    • '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