Ceropegia gilboaensis (Apocynaceae), a new species from the Midlands of KwaZulu-Natal, South Africa

ANNEMARIE HEIDUK; NEIL R. CROUCH; DAVID G.A. STYLES

doi:10.11646/phytotaxa.591.2.4

Issue: Vol. 591 No. 2: 4 April 2023

Type: Article

Published: 2023-04-04

DOI: 10.11646/phytotaxa.591.2.4

Page range: 125-136

Abstract views: 101

PDF downloaded: 4

Ceropegia gilboaensis (Apocynaceae), a new species from the Midlands of KwaZulu-Natal, South Africa

ANNEMARIE HEIDUK⁺⁻
NEIL R. CROUCH⁺⁻
DAVID G.A. STYLES⁺⁻

Centre for Functional Biodiversity, School of Life Sciences, University of KwaZulu-Natal, Private Bag X01, Scottsville, Pietermaritzburg 3209, South Africa. Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands.

Biodiversity Research, Assessment and Monitoring, South African National Biodiversity Institute, P.O. Box 52099, Berea Road, Durban 4007, South Africa. School of Chemistry & Physics, University of KwaZulu-Natal, Durban 4041, South Africa.

Centre for Functional Biodiversity, School of Life Sciences, University of KwaZulu-Natal, Private Bag X01, Scottsville, Pietermaritzburg 3209, South Africa.

Brachystelma Ceropegieae-Stapeliinae dolerite endemism Midlands Mistbelt Grassland mimicry sapromyiophily Eudicots

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Abstract

A new species of Ceropegia (Apocynaceae-Asclepiadoideae-Ceropegieae), C. gilboaensis, is described from the Midlands of KwaZulu-Natal, South Africa, where it occurs along exposed rock sheets in Midlands Mistbelt Grassland. This new tuberous species, which lacks the tubular trap-flowers typical of Ceropegia s.str., is assigned to section Chamaesiphon. Ceropegia gilboaensis is vegetatively and floristically most similar to C. ngomensis (formerly Brachystelma ngomense); both species have prostrate stems and foul-smelling, cylindrical-campanulate, striated and dark-coloured flowers characteristic of a sapromyiophilous pollination strategy.

References

Baker, J.G. (1870) Monograph of Scilla: sections Ledebouria and Drimiopsis. Saunders Refugium Botanicum 3: App. 5.
Bolus, H. (1881) Crassula dependens Bolus. Journal of the Linnean Society, Botany 18: 391.
Brown, R. (1822) Brachystelma tuberosum R.Br. Curtis’ Botanical Magazine 49: t. 2343.
Bruce, E.A. (1938) Brachystelma chlorozonum E.A.Bruce. Hooker’s Icones Plantarum 34: t. 3370.
Bruyns, P., Klak, C. & Hanáček, P. (2017) A revised, phylogenetically-based concept of Ceropegia (Apocynaceae). South African Journal of Botany 112: 399–436. https://doi.org/10.1016/j.sajb.2017.06.021
Bruyns, P.V. (2005) Stapeliads of Southern Africa and Madagascar (Volume I & II). Hatfield Umdaus Press, pp. 1–330 (Vol. I), pp. 331–606 (Vol. II).
Du Plessis, M., Johnson, S.D., Nicolson, S.W., Bruyns, P.V. & Shuttleworth, A. (2018) Pollination of the “carrion flowers” of an African stapeliad (Ceropegia mixta: Apocynaceae): the importance of visual and scent traits for the attraction of flies. Plant Systematics and Evolution 304: 357–372. https://doi.org/10.1007/s00606-017-1481-0
Durand, T.A. & Schinz, H. (1894) Sporobolus natalensis T.Durand & Schinz. Conspectus Florae Africae 5: 822.
Dyer, R.A. (1954) Brachystelma modestum. Flowering Plants of Africa 30: t. 1165A.
Dyer, R.A. (1955) Brachystelma coddii R.A.Dyer. Flowering Plants of Africa 30: t. 1181.
Dyer, R.A. (1976) Asclepiadaceae. Bothalia 12 (1): 53–64.
Dyer, R.A. (1977a) New records of Brachystelma. Journal of South African Botany 34 (1): 9–20.
Dyer, R.A. (1977b) Brachystelma ngomense R.A.Dyer. Bothalia 12 (2): 255–256.
Dyer, R.A. (1980) Asclepiadaceae (Brachystelma, Ceropegia, Riocreuxia). In: Leistner, O.A. (ed.) Flora of Southern Africa 27 (4). Botanical Research Inst., Pretoria, pp. 1–91.
Dyer, R.A. (1983) Ceropegia, Brachystelma and Riocreuxia in Southern Africa. Balkema, Rotterdam, 242 pp.
Endress, M.E., Meve, U., Middleton, D.J. & Liede-Schumann, S. (2018) Apocynaceae. In: Kadereit, J.W. & Bittrich, V. (eds.) Flowering Plants. The Families and Genera of Vascular Plants, Vol. 15, Eudicots, Apiales, Gentianales (excl. Rubiaceae). Springer, Heidelberg, New York, pp. 207–411.
Forsskal, P. (1775) Themeda triandra Forssk. Flora Aegyptiaco-Arabica 178.
Hooker, J.D. (1869) Ceropegia sandersonii – Mr. Sanderson´s Ceropegia. Botanical Magazine 95: t. 5792.
Huber, H. (1957) Revision der Gattung Ceropegia. Memórias da Sociedade Broteriana 12: 1–203.
IPNI. (2022+) The International Plant Names Index. Available from: https://www.ipni.org/ (continuously updated; accessed October 2022).
IUCN Standards and Petitions Committee (2019) Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Committee, 113 pp. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf (accessed 22 September 2020).
Johnson, S. & Jürgens, A. (2010) Convergent evolution of carrion and faecal scent mimicry in fly-pollinated angiosperm flowers and a stinkhorn fungus. South African Journal of Botany 76: 796–807. https://doi.org/10.1016/j.sajb.2010.07.012
Johnson, S.D. & Schiestl, F.P. (2016) Floral Mimicry. Oxford University Press, 256 pp.
Jürgens, A., Dötterl, S. & Meve, U. (2006) The chemical nature of fetid floral odors in stapeliads (Apocynaceae-Asclepiadoideae-Ceropegieae). New Phytologist 172: 452–468. https://doi.org/10.1111/j.1469-8137.2006.01845.x
Jürgens, A. & Shuttleworth, A. (2015) Carrion and dung mimicry in plants. In: Benbow, M.E., Tomerlin, J.K. & Tarone, A.M. (eds.) Carrion ecology, evolution, and their applications. CRC Press, Boca Raton, pp. 361–386. http://doi.org/10.1201/b18819-20
Klopper, R.R. & Smith, G.F. (2010) Aloe neilcrouchii, a new robust Leptaloe from KwaZulu-Natal, South Africa. Bothalia 40 (1): 95 (–96; fig. 34, map).
Lindley, J. (1827) Brachystelma spathulatum Lindl. Botanical Register 13: t. 1113.
Linnaeus, C. von (1753) Species Plantarum, vol. 1. et vol. 2. Imprensis Laurentii Salvii, Holmiae, pp. 1–560 (Vol. 1), pp. 561–1200 (Vol. 2).
Mucina, L., Hoare, D.B., Lötter, M.C., Du Preez, J., Rutherford, M.C., Scott-Shaw, C.R., Bredenkamp, G.J., Powrie, L.W., Scott, L., Camp, K.G.T., Cilliers, S.S., Bezuidenhout, H., Mostert, T.H., Siebert, S.J., Winter, P.J.D., Burrows, J.E., Dobson, L., Ward, R.A., Stalmans, M., Oliver, E.G.H., Siebert, F., Schmidt, E., Kobisi, K. & Kose, L. (2006) Grassland Biome. In: Mucina, L. & Rutherford, M.C. (eds.) The vegetation of South Africa, Lesotho and Swaziland. Strelitzia, Pretoria, South Africa, pp. 349–436.
Obermeyer, A.A. (1933) Ceropegia cimiciodora Oberm. Flowering Plants of South Africa xiii. t. 488.
Ollerton, J., Dötterl, S., Ghorpadé, K., Heiduk, A., Liede-Schumann, S., Masinde, S., Meve, U., Craig, P.I., Prieto-Benítez, S., Punekar, S., Thulin, M. & Whittington, A. (2017) Diversity of Diptera families that pollinate Ceropegia (Apocynaceae) trap flowers: an update in light of new data and phylogenetic analyses. Flora 234: 233–244. https://doi.org/10.1016/j.flora.2017.07.013
Ollerton, J., Liede-Schumann, S., Endress, M.E., Meve, U., Rech, A.R., Shuttleworth, A., Keller, H.A., Fishbein, M., Alvarado-Cárdenas, L.O., Amorim, F.W., Bernhardt, P., Celep, F., Chirango, Y., Chiriboga-Arroyo, F., Civeyrel, L., Cocucci, A., Cranmer, L., da Silva-Batista, I.C., de Jager, L., Scaramussa Deprá, M., Domingos-Melo, A., Dvorsky, C., Agostini, K., Freitas, L., Gaglianone, M.C., Galetto, L., Gilbert, M., González-Ramírez, I., Gorostiague, P., Goyder, D., Hachuy-Filho, L., Heiduk, A., Howard, A., Ionta, G., Islas-Hernández, S.C., Johnson, S.D., Joubert, L., Kaiser-Bunbury, C.N., Kephart, S., Kidyoo, A., Koptur, S., Koschnitzke, C., Lamborn, E., Livshultz, T., Machado, I.C., Marino, S., Mema, L., Mochizuki, K., Cerdeira Morellato, L.P., Mrisha, C.K., Muiruri, E.W., Nakahama, N., Teixeira Nascimento, V., Nuttman, C., Oliveira, P.E., Peter, C.I., Punekar, S., Rafferty, N., Rapini, A., Ren, Z.-X., Rodríguez-Flores, C.I., Rosero, L., Sakai, S., Sazima, M., Steenhuisen, S.-L., Tan, C.-W., Torres, C., Trøjelsgaard, K., Ushimaru, A., Vieira, M.F., Wiemer, A.P., Yamashiro, T., Nadia, T., Queiroz, J. & Quirino, Z. (2019) The diversity and evolution of pollination systems in large plant clades: Apocynaceae as a case study. Annals of Botany 123: 311–325. https://doi.org/10.1093/aob/mcy127
South African National Biodiversity Institute (2006–2018) The Vegetation Map of South Africa, Lesotho and Swaziland. Mucina, L., Rutherford, M.C. & Powrie, L.W. (eds.) Version 2018. [online] Available from: http://bgis.sanbi.org/Projects/Detail/186 (Accessed 31 March 2023)
Steudel, E.G. (1855) Synopsis Plantarum Glumacearum. Pars I. Gramineae. J.B. Metzler, Stuttgartiae, 475 pp.
Styles, D.G. & Wragg, P.D. (2008) Notes on Brachystelma pulchellum and B. modestum. Asklepios 100: 42–53.
Thiers, B. (2022+) Index herbariorum: a global directory of public herbaria and associated staff. New York Botanical Garden’s Virtual Herbarium. Available from: http://sweetgum.nybg.org/ih/ (continuously updated; accessed October 2022).
Turland, N.J., Wiersema, J.H., Barrie, F.R., Greuter, W., Hawksworth, D.L., Herendeen, P.S., Knapp, S., Kusber, W.-H., Li, D.-Z., Marhold, K., May, T.W., McNeill, J., Monro, A.M., Prado, J., Price, M.J. & Smith, G.F. (2018) International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. Regnum Vegetabile 159. Koeltz Botanical Books, Glashütten, 254 pp. https://doi.org/10.12705/Code.2018
Trinius, C.B. & Ivanovich, F.J. (1842) Aristida junciformis Trin. & Rupr. Species Graminum Stipaceorum 143.
Van Wyk, A.E. & Smith, G.F. (2001) Regions of floristic endemism in southern Africa. A review with emphasis on succulents. Pretoria: Umdaus Press, 199 pp.
Venter, S. & Edwards, T.J. (2003) Ledebouria sandersonii (Baker) S.Venter & T.J.Edwards. Bothalia 33 (1): 50.