Abstract

Aspects of natural and artificial hybridization in Mesembryanthemaceae are discussed. Morphological and experimental evidence is used to trace the parent species of some natural hybrids. Natural hybridization is interpreted in evolutionary terms. The possibility that garden hybrids might invade the cultivated gene pool, thus endangering the continuity of some threatened species, is pointed out. Aspekte van natuurlike en kunsmatige hibridisering in Mesembryanthemaceae word bespreek. Morfologiese en eksperimentele bewyse is gebruik om die oorspronklike ouer-spesies van ’n aantal natuurlike hibriede op te spoor. Natuurlike hibridesering word in terme van evolusie geïnterpreteer. Die gevaar vir die voortbestaan van bedreigde spesies deur die indringing van tuinhibriede by ’n gekweekte genebank, is bespreek.

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