The homomorphic self-incompatibility system in Oleaceae is controlled by a hemizygous genomic region expressing a gibber...
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In flowering plants, outcrossing is commonly ensured by self -incompatibility (SI) systems. These can be homomorphic (typically with many different allelic specificities) or can accompany flower heteromorphism (mostly with just two specificities and corresponding floral types). The SI system of the Oleaceae family is unusual, with the long-term mai...
