Ceropegia circinata (E.Mey.) Bruyns

First published in S. African J. Bot. 112: 433 (2017)
This species is accepted
The native range of this species is Mozambique to S. Africa. 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: not 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
South Africa, Cape, nr Aliwal North, at foot of Witteberg [“in collibusgraminosispropeRietvalei ad radices montiumWithebergen”], Drèges.n. (B† holotype, K000305820 in part lectotype, ?MEL2406192, ?S12-11943) lectotype designated by Dyer in Codd et al., Fl. S. Africa 27(4): 33 (1980), mounted with type of Brachystelmacommixtum N.E. Br.; probable isotypes (locality details missing): MEL2406192, S12-11943).
Vegetative Multiplication Tubers
Tuber 3–10 cm diam., upper surface sometimes depressed
Morphology Stem
Stems 1 to few, much branched, herbaceous, 7–30 cm high, densely puberulous with recurved hairs
Morphology Leaves
Leaves herbaceous, shortly petiolate; leaf blade oblong to ovate, 5–15(20) × 5–12 mm, margins sometimes undulate, abaxial surface puberulous, adaxially puberulous or sometimes glabrous
Morphology Reproductive morphology Inflorescences
Inflorescence extra-axillary, sessile; cyme 1–8-flowered, flowers opening in succession or several together
Morphology Reproductive morphology Flowers Pedicel
Pedicel to 5 mm long
Morphology Reproductive morphology Flowers Calyx
Sepals lanceolate, joined for ¼ of length, c.1.5 mm long, puberulous
Morphology General Buds
Bud with slender, cylindrical beak
Morphology Reproductive morphology Flowers Corolla
Corolla 5–25 mm long, divided nearly to base; tube flattish or saucer-shaped, rarely to 3 mm deep; lobes linear to filiform, 5–25 mm long, revolute, apices connate to form ellipsoidal cage, abaxially pale green, puberulous, adaxially white or pale yellow at base, dull purple to reddish brown towards tips, glabrous
Morphology Reproductive morphology Flowers Corona
Corona subsessile, predominantly yellow; outer lobes erect, variably bifid, sometimes nearly to base, teeth linear to subulate, shorter than to distinctly longer than gynoecium, glabrous or with a few hairs, inner lobes incumbent on anthers, linear, sometimes meeting over centre, shorter than outer lobes, glabrous
Morphology Reproductive morphology Seeds
Follicles and seeds not seen.
Distribution
Botswana, Mozambique. Also in Namibia, South Africa, Lesotho, Eswatini.
Ecology
In patches of shallow soil overlying granite, among trees and bushes in Kalahari sand; 550–1250(1800) m.
Conservation
LC, widely distributed and very frequently collected, especially in South Africa.
[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 2024. 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 2024. 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