Sentence:  The crest of the rim and the upper portion of both the outer and inner slopes are covered with a fairly thick growth of <WSD>Rooibosch</WSD> ("Combretum holosericeum"), and Bastard <WSD>Rooibosch</WSD> ("Combretum apiculatum"), accompanied by "Dichrostachys nutans", "Grewia occidentales", and isolated examples of Marula ("Sclerocarya caffra") and Tambootie ("Exoecaria africana"); ... 
Meaning of the word marked with <WSD> tags:  Various shrubs of the genus "Combretum".