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Ixodid ticks on domestic dogs in the Northern Cape Province of South Africa and in Namibia.
The objective of this study was to determine the species composition of ixodid ticks infesting domestic dogs in the northwestern region of the Northern Cape Province of South Africa and in Namibia.Expand
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A revision of Periploca (Periplocaceae)
Revised nomenclature, a new key to the species, improved classification, diagnostic characteristics, geographic distribution and habitat of Periploca L. and its fourteen species are presented.Expand
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A cytogenetic study of the functionally dioecious species in the genus Lycium (Solanaceae)
A cytogenetic study of five species of Lycium and an interspecific hybrid from southern Africa, is presented. All these taxa have a basic chromosome number of 12. This is the first report onExpand
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Kappia lobulata (Apocynaceae, Periplocoideae), a new genus from South Africa
Abstract Kappia , a new genus from the Fish River Valley in the Eastern Cape Province, South Africa is presented. At first described as Raphionacme lobulata Venter and R.L.Verh. [Venter, H.J.T.,Expand
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A taxonomic revision of Raphionacme (Apocynaceae: Periplocoideae).
Raphionacme comprises 36 species and with the exception of one Arabian species, the genus is restricted to Africa, occurring widespread over the continent from the southern fringes of the SaharaExpand
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Vegetation ecology of the southern Free State: Vegetation of the drainage channels
Little information is available on the vegetation of the southern Free State. A phytosociological analysis of the riparian shrub communities of the southern Free State is presented. Releves wereExpand
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Nomenclature correction in Parquetina (Apocynaceae: Periplocoideae).
Abstract Bullock (1961) combined Periploca nigrescens Afzel. and Omphalogonus calophyllus Baill. in Parquetina nigrescens (Afzel.) Bullock. Based on their conspicuously different floral morphology,Expand
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A monograph of Monsonia L. (Geraniaceae)
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The transfer of Erodium incarnatum to the genus Pelargonium (Geraniaceae)
Erodium incarnatum L’Herit. was placed in the genus Erodium on account of its actinomorphic flowers and five fertile stamens. A study of the flower revealed atypical characters such as the presenceExpand
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Plant communities of the western part of the Bloemfontein district: the Ca land type
An analysis of the plant communities of the Ca land type of the Bloemfontein West District is presented. The Braun-Blanquet technique, supplemented by TWINSPAN, was used for phytosociologicalExpand
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