bioRxiv preprint doi: https://doi.org/10.1101/824623; this version posted November 6, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. 1 Phylogenetic relationships in the southern African genus 2 Drosanthemum (Ruschioideae, Aizoaceae) 3 Sigrid Liede-Schumann1, Guido W. Grimm2, Nicolai M. Nürk1, Alastair J. Potts2, Ulrich Meve1, Heidrun E.K. 4 Hartmann4 5 1 Department of Plant Systematics, University of Bayreuth, Bayreuth, Bavaria, Germany 6 2 unaffiliated, Orléans, France 7 3 African Centre for Coastal Palaeoscience, Nelson Mandela University, Port Elizabeth, Eastern Cape, 8 South Africa 9 4 formerly Department of Systematics and Evolution of Plants, University of Hamburg, Hamburg, 10 Germany; deceased 11 July 2016 11 12 Corresponding author: 13 Sigrid Liede-Schumann 14 Universitätsstrasse 30, 95440 Bayreuth, Bavaria, Germany 15 Email address:
[email protected] 16 17 1 bioRxiv preprint doi: https://doi.org/10.1101/824623; this version posted November 6, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. 18 Abstract 19 Background. Drosanthemum, the only genus of the tribe Drosanthemeae, is widespread over the 20 Greater Cape Floristic Region in southern Africa. With 114 recognized species, Drosanthemum 21 together with the highly succulent and species-rich tribe Ruschieae constitute the ‘core 22 ruschioids’ in Aizoaceae.