dichogamous


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dichogamous

[dī′käg·ə·məs]
(botany)
Referring to a type of flower in which the pistils and stamens reach maturity at different times.
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References in periodicals archive ?
Our literature search revealed 41 dichogamous species with male- or
evolved or optimal direction of gender biases in dichogamous plants,
Sexual selection in dichogamous plants with gender-biased nectar
Dichogamous systems would appear to be advantageous for species where geitonogamy may "clog" stigmatic surfaces with self-pollen (Bawa & Opler, 1975; Yeo, 1975), thereby preventing outcrossed pollen from reaching the stigmatic surface.
These dichogamous mechanisms would clearly serve to restrict self-pollination.
Dioecious species that evolved via the gynodioecy route typically are not dichogamous (Cruden, 1988); they do not have preexisting devices for the avoidance of inbreeding.