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Sex Ratio in the Tropical Tree Triplaris americana (Polygonaceae)

Michael N. Melampy and Henry F. Howe
Evolution
Vol. 31, No. 4 (Dec., 1977), pp. 867-872
DOI: 10.2307/2407449
Stable URL: http://www.jstor.org/stable/2407449
Page Count: 6
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Sex Ratio in the Tropical Tree Triplaris americana (Polygonaceae)
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Abstract

The sex ratio of Triplaris americana, a tropical dioecious tree, is skewed in favor of females. Site to site variation in the sex ratio suggests that the basis for this female bias is sex-dependent mortality, which reflects different strategies used by males and females to maximize their reproductive success.

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