Abstract
SummaryData recently presented suggest no correlation exists between pollen exine sculpturing and self‐incompatibility systems in angiosperms is re‐examined. All the variation that permits rejection of the correlation resides among 27 taxa designated as having gametophytic self‐incompatibility. However, no empirical data have been published which support this designation. When these taxa are deleted and all the data are pooled there is a significant difference between exine perforations in sporophytic and gametophytic self‐incompatible plants at the 0.95 confidence interval.
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