Herbarium Research

Research associated with the Bolus Herbarium covers a wide spectrum focussed on aspects of the Cape Flora such as endemism, biogeography and systematics and evolution.

 

Systematic and evolutionary work is current on the following groups:

 

  • Agathosma (Rutaceae) T.H. Trinder-Smith
  • Asclepiadoideae (Apocynaceae) P.V. Bruyns
  • Bryophytes T. Hedderson, C. Ah-Peng, N. Wilding
  • Euphorbiaceae P.V. Bruyns
  • Ficinia (Cyperaceae) M. Muasya
  • Jamesbrittenia (Scrophulariaceae) G.A. Verboom
  • Lampranthus group (Aizoaceae) C. Klak
  • Ruschioideae (Aizoaceae) C. Klak
  • Syncarpha (Asteraceae) G.A Verboom, N. Bergh
  • Tetraria (Cyperaceae) G.A. Verboom, M. Britton

 

Broader Evolutionary work:

 

  • Evolutionary patterns of certain Cape genera. G.A. Verboom, V. Hoffman
  • Biogeography, habitat and range evolution of the earliest diverging lineages within the tribe Gnaphalieae (Asteraceae). G.A. Verboom, J. Bentley

 

Contributions from the Bolus Herbarium (THOUGH DISCONTINUED IN 2006, VOLUMES REMAIN AVAILABLE
FOR SALE).
Follow this link for available volumes.

 

Recent publications by permanent - and associated staff relevant to the holdings :

 

Anderson R.J., Bolton J.J., Stegenga H. (2009). Using the biogeographic distribution and diversity of seaweed species to test the efficacy of Marine Protected Areas in the warm temperate Agulhas Marine Province, South Africa. Diversity and Distributions 15: 1017-1027

Barker, N.P., Howis, S., Nordenstam, B. M. K., Eldenas, P., Griffioen, C. & Linder ,H.P. 2009. Nuclear and chloroplast-based DNA phylogenies of Chrysanthemoides Tourn. ex Medik. (Calenduleae; Asteraceae) reveal extensive incongruence and generic paraphyly, but support the recognition of infraspecific taxa in C. monilifera. S. African J. Bot. 75: 560-572.

Bergh, N. G. & Linder, H. P. 2009. Cape diversification and repeated out-of-southern-Africa dispersal in paper daisies (Asteraceae-Gnaphalieae). Molec. Phylogen. Evol. 51: 5-18.

Bolton J.J. (2010). The biogeography of kelps (Laminariales, Phaeophyceae): a global analysis with new insights from molecular phylogenetics. Helgoland Marine Research 64: 263-279

Bouchenak-Khelladi Y., Verboom G.A., Savolainen V., Hodkinson T.R.2010. Biogeography of the grasses (Poaceae): a phylogenetic approach to reveal evolutionary history in geographical space and time. Botanical Journal of the Linnean Society 162: 543-557.

Bouchenak-Khelladi Y., Verboom G.A., Hodkinson T.R., Salamin N., Francois O., Chonghaile G.N. & Savolainen V. 2009. The origins and diversification of C4 grasses and savanna-adapted ungulates. Global Change Biology 15: 2397-2417.

Briggs, B. G. & Linder H. P. 2009. A new subfamilial and tribal classification of Restionaceae (Poales). Telopea 12: 333-345.

Bruyns, P.V. & Miller, A.G. 2009. Lectotypification of some Arabian Apocynaceae. Edinburgh J. Bot. 66: 97--101.

Bruyns, P.V. 2009. Three new species of Brachystelma (Apocynaceae, Asclepiadoideae, Ceropegieae) from South Tropical and Southern Africa. Novon 19: 18--22.
Bruyns, P.V.2009. A new species of succulent Euphorbia from southern Angola. Bothalia 39: 219--221.

Bruyns, P.V. 2010. A new species of Caralluma (Apocynaceae-Asclepiadoideae-Ceropegieae) from the Yemen. S. African J. Bot. 76: 249--251.

Bruyns, P.V. 2010. Huernia humpatana (Apocynaceae), a new species from southern Angola. S. African J. Bot. 76: 585--587.

Bruyns, P.V. 2010. A new name for Euphorbia chamaeclada from Angola. Bothalia 40: 178.

Bruyns, P.V. & Klak C. 2009. The rediscovery and systematic position of Schizostephanus gossweileri and its phylogenetic position. South African Journal of Botany 75(3): 532-536.

Bruyns, P .V, Al Farsi, A. & Hedderson, T. A. 2010. Phylogenetic relationships of Caralluma R. Br. (Apocynaceae). Taxon 59: 1031-1043.

Bytebier, B., Antonelli, A., Bellstedt, D. U. & Linder H. P. 2010. Estimating the age of fire in the Cape flora of South Africa from an orchid phylogeny. Proceedings of the Royal Society B: Biological Sciences 278: 188-195.

Galley, C., Linder, H. P. & Zimmermann, N. E. 2009. Pentaschistis species diversity in a mediterranean area: habitat heterogeneity, restricted ranges and climatic stability. Glob. Ecol. Biogeogr. 18: 586-595.

Gehrke, B. & Linder, H. P. 2009. The scramble for Africa: pan-temperate elements on the African high mountains. Proceedings of the Royal Society B-Biological Sciences 276: 2657-2665.

Gehrke B., Martín-Bravo S., Muasya A.M., & Luceño M. 2010. Monophyly, phylogenetic position and the role of hybridization in Schoenoxiphium Nees (Cariceae, Cyperaceae). Mol. Phylogenet. Evol. 56: 380-392.

Huygh W., Larridon I., Reynders M., Muasya A. M., Govaerts R., Simpson D .A. & Goetghebeur P. 2010. Nomenclature and typification of names of genera and subdivisions of genera in Cypereae (Cyperaceae): 1. Names of genera in the Cyperus clade. Taxon 59: 1883-1890.

Illing, N., Klak, C., Johnson, C., Brito, D., Negrao, N., Baine, F., van Kets, V., Rye Ramchurn K., Seoighe, C. & Roden, L. 2009: Duplication of the Asymmetric Leaves1/Rough Sheath 2/Phantastica (ARP) gene precedes the explosive radiation of the Ruschioideae. Genes, Evolution and Development 219: 331-338.

Klak, C. 2010. Three new species and two new combinations in the Aizoaceae from the Western and Northern Cape of South Africa. South African Journal of Botany 76: 299-307.

Klak, C. 2010. Phylogeny and diversification of Aizoaceae: progress and prospects. Schumannia 6, Biodiversity & Ecology 3: 87-107.

Lategan C., Kellerman T., Afolayan A.F., Mann M.G., Antunes E.M., Smith P.J., Bolton J.J., Beukes DR (2009). Antiplasmodial and antimicrobial activities of South African marine algal extracts Pharmaceutical Biology 47: 408-413  

Linder, H. P. 2009. A new species of Pentameris from Jonaskop, South Africa. Bothalia

Linder, H. P. 2010. Gradual speciation in a global hotspot of plant diversity. Molecular Ecology 19: 4583-4585.

Linder, H. P. 2010. Restionaceae. Pp. 90-94 in J. R. Timberlake and E. S. Martins, Flora Zambesiaca. Royal Botanic Gardens, Kew, London.

Linder, H. P., Baeza P., Barker, N. P., Galley, C., Humphreys, A. M., Lloyd, K. M., Orlovich, D. A. Pirie, , M. D., Simon, B. K., Walsh, N. G. & Verboom, G. A. 2010. A generic classification of the Danthonioideae (Poaceae). Ann. Mo. Bot. Gard. 97: 306-364.

Linder, H. P. & C. R. Hardy. 2010. A generic classification of the Restioneae (Restionaceae), southern Africa. Bothalia 40: 1-35.

Linder, H. P., Johnson, S. D., Kuhlman, M., Matthee, C. A., Nyffeler, R. & Swartz, E. 2010. Biotic diversity in the Southern African winter-rainfall region. Current Opinion in Environmental Sustainability 2: 109-116.

Malgas R.R., Potts A.J., Oettle N.M., Koelle B., Todd S.W., Verboom G.A., Hoffman M.T. 2010. Distribution, quantitative morphological variation and preliminary molecular analysis of different growth forms of wild rooibos (Aspalathus linearis) in the northern Cederberg and on the Bokkeveld Plateau. South African Journal of Botany 76: 72-81.

Moore T.E., Verboom G.A., Forest F. 2010. Phylogenetics and biogeography of the parasitic genus Thesium L. (Santalaceae), with an emphasis on the Cape of South Africa. Botanical Journal of the Linnean Society 162: 435-452.

Muasya A.M., Simpson D.A., Verboom G.A., Goetghebeur P., Naczi R.F.C., Chase M.W. & Smets E. 2009. Phylogeny of Cyperaceae based on DNA sequence data: current progress and future prospects. Botanical Review 75: 2-21.

Muasya A.M., Vrijdaghs A., Simpson D.A., Chase M.W., Goetghebeur P. & Smets E. 2009. What is a genus in Cypereae: phylogeny, character homology assessment and generic circumscription. Botanical Review 75: 52-66.

Nagels A., Muasya A.M., Huysman, S., Vrijdaghs A., Smets E. & Vinckier S. 2009. Palynological diversity in Cyperaceae - a search for informative pollen and orbicule characters. Plant Systematics & Evolution 277: 117-142.

Rothman M.D., R. J. Anderson, C. J. T. Boothroyd, F. A. Kemp, J. J. Bolton (2009). The gracilarioids in South Africa: long-term monitoring of a declining resource. J. Appl Phycol 21:47-53

Santelices B., Bolton J.J. & Meneses I. (2009). 6. Marine Algal Communities. In: Marine Macroecology. JD Whitman & K Roy (Eds). Chicago University Press. pp. 153-192.

Söderstrom, L., De Roo, R. & Hedderson, T. 2010. Taxonomic novelties resulting from recent reclassification of the Lophoziaceae/Scapaniaceae clade. Phytotaxa 03: 47-53.

Sokoloff, D. D., Remizowa, M. V., Linder, H. P., Macfarlane, T. D. & Rudall, P. J. 2010. Arrangement of reproductive units in Centrolepis (Poales: Centrolepidaceae): cincinnus or spikelet? Pp. 425-437 in O. Seberg, G. Petersen, A. S. Barfod and C. C. Davis, Diversity, phylogeny, and evolution in the monocotyldons.

Venter, H.J.T., Verhoeven, R.L. & Bruyns, P.V. 2009. Morphology and Taxonomy of Mondia (Apocynaceae: Periplocoideae) S. African J. Bot. 75: 456--465.

Verboom, G. A., Archibald, J. K., Bakker, F. T., Bellstedt, D. U., Conrad, F., Dreyer, L. L., Forest, F., Galley, C. Goldblatt, P. J., Henning, F., Mummenhoff, K., Linder, H. P., Muasya, A. M., Oberlander, K. C., Savolainen, V., Snijman, D. A., van der Niet, T. & Nowell, T. L. 2009. Origin and diversification of the Greater Cape flora: Ancient species repository, hot-bed of recent radiation, or both? Molec. Phylogen. Evol. 51: 44-53.

Verboom G.A., Dreyer L.L., Savolainen V. 2009. Understanding the origins and evolution of the world's biodiversity hotspots: the biota of the African 'Cape Floristic Region' as a case study. Molecular Phylogenetics and Evolution 51: 1-4.

Vrijdaghs A., Muasya A.M., Goetghebeur P., Caris P., Nagels A. & Smets E. 2009. A floral ontogenetic approach to homology questions within the Cyperoideae (Cyperaceae). Botanical Review 75: 30-51.

Vrijdaghs A., Reynders M., Larridon I., Muasya A.M., Smets E. & Goetghebeur P. 2010. Spikelet structure and development in Cyperoideae (Cyperaceae): a monopodial general model based on ontogenetic evidence. Annals of Botany 105: 555-571.

Wilkin P., Burrows J., Burrows S., Muasya A.M. & van Wyk E. 2010. A critically endangered new species of yam (Dioscorea strydomiana Wilkin, Dioscoreaceae) from Mpumalanga, South Africa. Kew Bulletin 65: 421-433.

Zander, R.H. & Hedderson T.A. 2009. Acaulonopsis, a new moss genus of the Pottiaceae from the Western Cape Province of South Africa, and comments on Vrolijkheidia. Journal of Bryology 31: 234-239.

 

Most recent books published:

Trinder-Smith, T.H. 2003. The Levyns Guide to the Plant Genera of the Southwestern Cape. Contributions from the Bolus Herbarium Vol. 31. Pp.355. Paarl Print, Paarl, South Africa.

Bruyns, P.V. 2005. Stapeliads of southern Africa and Madagascar. 2 Vols. Umdaus Press, Hatfield, South Africa. ISSN 1-919766-33-2/34-0.

Trinder-Smith, T.H. 2006. Wild Flowers of the Table Mountain National Park. South African Wild Flower Guide 12, National Botanical Society of South Africa. Pp. 312. Associated Printing, Cape Town, South Africa.