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Systematics of psilocaulon N.E.BR. (Aizoaceae)
Bibliography: p. 131-140.
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| Other Authors: | |
| Format: | Thesis |
| Language: | English |
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Department of Biological Sciences
2016
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| _version_ | 1867613208055906304 |
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| access_status_str | Open Access |
| author | Klak, Cornelia |
| author2 | Linder, H P |
| author_browse | Klak, Cornelia Linder, H P |
| author_facet | Linder, H P Klak, Cornelia |
| author_sort | Klak, Cornelia |
| collection | Thesis |
| description | Bibliography: p. 131-140. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/17246 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:32:29.432Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2016 |
| publishDateRange | 2016 |
| publishDateSort | 2016 |
| publisher | Department of Biological Sciences |
| publisherStr | Department of Biological Sciences |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/17246 Systematics of psilocaulon N.E.BR. (Aizoaceae) Klak, Cornelia Linder, H P Botany Bibliography: p. 131-140. On the basis of herbarium, living and pickled material the morphology and systematics of Psilocaulon N. E. Brown sensu Ihlenfeldt & Bittrich is investigated. Thirteen species (including one insufficiently known species) are recognized: P. articulatum, P. bicorne, P. coriarium, P. dimorphum, P. dinteri, P. foliosum, P. gessertianum, P. granulicaule, P. junceum, P. leptarthron, P. parviflorum, P. salicornioides, P. subnodosum. Species of Mesembryanthemum, Prenia, Brownanthus, Aspazom and Aptenia are used as outgroups in a cladistic analysis of Psilocaulon. The monophyly of Psilocaulon is demonstrated. As a result P. rapaceum Jacq. is excluded and transferred to Caulipsolon Klak gen. nov. The position of Psilocaulon and the monotypic genus Caulipsolon within the subfamily Mesembryanthemoideae is discussed. However, relationships of Psilocaulon and Caulipsolon to other genera remain obscure, since no synapomorphies were found to indicate sister relationships. More sampling among outgroups and/or a future molecular study may help to elucidate relationships among the genera of the Mesembryanthemoideae. Geographical distribution patterns for all species and the number of species per half-degree grid square are given. It is discussed how species diversity and geographical distribution in Psilocaulon contrasts with or corroborates existing ideas of centres of diversity and distribution patterns in the Mesembryanthema. Each species is described in detail. A description of the genera Psilocaulon and Caulipsolon is given and a key to the species is provided. Material examined is cited and full synonomy is given. 2016-02-24T11:20:23Z 2016-02-24T11:20:23Z 1997 Master Thesis Masters MSc http://hdl.handle.net/11427/17246 eng application/pdf Department of Biological Sciences Faculty of Science University of Cape Town |
| spellingShingle | Botany Klak, Cornelia Systematics of psilocaulon N.E.BR. (Aizoaceae) |
| thesis_degree_str | Master's |
| title | Systematics of psilocaulon N.E.BR. (Aizoaceae) |
| title_full | Systematics of psilocaulon N.E.BR. (Aizoaceae) |
| title_fullStr | Systematics of psilocaulon N.E.BR. (Aizoaceae) |
| title_full_unstemmed | Systematics of psilocaulon N.E.BR. (Aizoaceae) |
| title_short | Systematics of psilocaulon N.E.BR. (Aizoaceae) |
| title_sort | systematics of psilocaulon n e br aizoaceae |
| topic | Botany |
| url | http://hdl.handle.net/11427/17246 |
| work_keys_str_mv | AT klakcornelia systematicsofpsilocaulonnebraizoaceae |