Differences in pollination syndromes and the frequency of autonomous delayed selfing between co-flowering Hibiscus in Kenya

Juan Carlos Ruiz-Guajardo et al.

Fully dehisced Hibiscus aponeurus flower with
orange pollen grains in some stigmas.

Many plant species have mixed mating systems and shift between producing outcrossed or self-fertilised seeds. Although selfing can reduce genetic variability and lead to the loss of adaptive potential, when potential mates are present at low densities, or when pollination rates are low due to the decline of suitable pollinators, self-fertilisation can provide reproductive assurance.

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