The meaning of "male" and "female" in the context of plants is different from that used in animal groups and the usage is not strictly correct. This issue is discussed below in the Alternation of generations section. About 6 percent of angiosperm species are entirely dioecious and about 7% of angiosperm genera contain some dioecious species. Examples of dioecious plant species include ginkgos, willows, cannabis and African teak. More examples of dioecious plants can be found in the Wikipedia category, Dioecious plants.