Ceropegia linearis E.Mey.

First published in Comm. Pl. Afr. Austr.: 194 (1838)
This species is accepted
The native range of this species is S. Mozambique to E. Cape Prov. It is a climbing succulent 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, Drège 4947 (P00109650–P00109652 syntypes).
Vegetative Multiplication Tubers
Tuber subglobose, 2–3 cm diam., adventitious tubers often forming at nodes along branches
Morphology Stem
Stems several from base, usually pendant, less often twining, occasionally branched, up to 2 m long, c.1 mm diam., glabrous
Morphology Leaves
Leaves succulent; petiole 2–7 mm long; leaf blade linear- lanceolate to ovate-lanceolate, distally narrower, to linear, 22–50 × 4–11 mm, base rounded to subcordate, apex acute, often with paler veins, both surfaces glabrous
Morphology Reproductive morphology Inflorescences
Inflorescence extra- axillary, peduncle 6–12 mm long; glabrous; cyme 2- or 3-flowered, flowers opening in succession
Morphology Reproductive morphology Flowers Pedicel
Pedicel 3–6 mm long, glabrous
Morphology Reproductive morphology Flowers Calyx
Sepals narrowly-lanceolate to lanceolate-subulate, 2–3 mm long, acute, glabrous
Morphology General Buds
Bud cylindrical, with flat sinuses
Morphology Reproductive morphology Flowers Corolla
Corolla (13)15–23 mm long, straight or nearly so; tube 9–17.5 mm long, basal chamber ovoid, 2–4 mm wide, narrowed into cylindrical limb, 0.7–1(1.5) mm wide, scarcely widening to 0.7–1.5(2.5) mm at mouth, exterior pale purplish to green with longitudinal purple stripes, glabrous, sometimes slightly ridged, interior covered with very fine long hairs; sinuses acute, flat; lobes linear, 6–10 mm long, replicate, apices connate to form subglobose to ellipsoidal cage wider than mouth, adaxially purplish, ciliate with short dark purple hairs on margins, otherwise glabrous
Morphology Reproductive morphology Flowers Corona
Corona subsessile, white; outer lobes pouch- like, joined across base of inner lobes, spreading, entire, to 1 mm long, lower than staminal column, glabrous; inner lobes converging over gynostegium, spathulate-lanceolate, 1.5–2 mm long, slightly dorsiventrally compressed, apices acute, recurved, glabrous to minutely papillate
Morphology Reproductive morphology Seeds
Follicles and seeds not recorded.
Distribution
Mozambique. Also in South Africa and Eswatini.
Ecology
No information for the Flora area but the species is common in NE South Africa where it mostly occurs on rock outcrops; 20–650 m.
Conservation
Overall status LC, only just extending into the Flora area.
[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

    • 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