Figure 6.

Precipitation variation of species in the genus Coccinia. Box-and-whisker plots displaying the median, upper quartile, and lower quartile (box) and range of extremes (whiskers) of the precipitation tolerances (mean annual precipitation and number of arid months) of 1189 georeferenced herbarium collections. Numbers of collections for each species are given in the parentheses following the species names, and the species order follows the phylogeny in Figure 4. Dashed lines separate the clades/groups, and colors indicate the biomes: black = forest, green = woodland and humid open habitats, and white = semi-arid habitats.

Holstein and Renner BMC Evolutionary Biology 2011 11:28   doi:10.1186/1471-2148-11-28
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