Dioecy vs. Monomorphism in Plants
Number of dioecious and monomorphic taxa among pairs of
closely related plants.
A data frame with 28 observations on the following 3 variables.
a numeric vector
a numeric vector
identifier for pair
Heilbuth, J.C. 2000. Lower species richness in dioecious clades. The American Naturalist 156: 221-241.
xyplot(dioecious ~ monomorphic, Dioecy, alpha = 0.65, pch = 16)
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