Morphological differences and changes of the gynoecium in short-lived flowers of Rosa setigera Michaux and their relationship to dioecy

Rosa setigera is unique within the genus because the plant is cryptically dioecious, the flowers of male and female plants appearing identical. Flowers produce no nectar, and the plants rely upon insects, which feed on or collect pollen, for pollination. The plants' gynoecia in both sexes are e...

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