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Showing 1 to 3 of 3 for “"Gynodioecy"”.
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Evolution of gynodioecy and dioecy: theoretical issues and the case of Bidens sandvicensis and B. cervicata
… subdioecy from two classes of nucleo-cytoplasmic gynodioecy are found to be similar to, and in some cases less stringent than, those required for evolution of sub dioecy from nuclear gynodioecy. Conditions for the evolution to dioecy from nucleo-cytoplasmic gynodioecy are likewise similar to those …
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Dissecting the evolutionary forces shaping sex chromosome evolution in papaya
… Despite separate breeding systems of dioecy and gynodioecy, the X chromosomes are highly similar and cluster into a single group. This contrasts the two sub groups (gynodioecy and dioecy) observed in the autosome and three sub groups observed in the Y. The X chromosome has a tenfold reduction in …
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Population dynamics and reproductive ecology of the gynodioecious prairie species Lobelia spicata Lam. (Campanulaceae)
… found throughout Illinois. Its breeding system, gynodioecy, is relatively rare, and is characterized by having female and hermaphrodite plant morphs coexisting within populations. Although some data on the reproductive ecology of L. spicata has been gathered, the population and breeding system …