Intrafloral patterns of color and scent in Capparis spinosa L. and the ghosts of its selection past.
American journal of botany(2023)
摘要
The intrafloral patterns of sensory stimuli suggest that hawkmoths have exerted strong historical selection on C. spinosa. Our study revealed two interesting paradoxes: (a) the flowers phenotypically biased towards the more inconsistent pollinator; and (b) floral display demands an abundance of resources that seems maladaptive in the habitats of C. spinosa. The transition to a binary pollination system accommodating large bees has not required phenotypic changes, owing to specific eco-physiological adaptations, unrelated to pollination, which make this plant an unusual case in pollination ecology.
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关键词
Capparaceae,aldoximes,brush flowers,carpenter bees,glucosinolates,hawkmoths,mixed pollination systems,nectar guides,nocturnal pollination,pollinator vision
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