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Systematics and evolutionary ecology of Osteospermum section Polygalinae DC

James, LaurenDepartment of Biological Sciences2025

Osteospermum L. (Asteraceae) is a genus of ca. 80 species of mainly yellow-flowered annual and perennial daisies, having most of its diversity in the Greater Cape Floristic Region of South Africa. The genus is characterised by remarkable variation in fruit structure and dispersal biology, …

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Polyphenolic production in response to defoliation in three Karoo shrubs: Osteospermum sinuatum, Pteronia pallens and Ruschia vulnerans

Le Roux, Debbie JeanetteDepartment of Biological Sciences1990

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Effects of defoliation on regrowth and carbon budgets of three semi-arid Karoo shrubs

Van der Heyden, FrancoisDepartment of Biological Sciences1992

… were studied for the following karoo shrubs: Osteospermum sinuatum, a dwarf deciduous shrub with fleshy leaves, Pteronia pallens, a dwarf evergreen shrub with sclerophyllous leaves and Ruschia spinosa, a dwarf evergreen shrub with succulent leaves. Defoliation adversely affected both …

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