They possess no possible resource for self-fertilization in the neglect of these insect sponsors.
self-fertilization occurs when the pollen of a given flower affects the egg-cell of the same individual flower.
The Kragan kings have always provided their own heirs, by self-fertilization.
Dr. Gray thought it very likely there would; for, when cross-fertilization is not effected, self-fertilization often takes place.
This species has the rare privilege of self-fertilization—we may well exclaim, Why!
I think the evidence of the self-fertilization is far clearer than that of the cross-fertilization.
In the flower where the father and mother part matures at the same time, self-fertilization is the rule.
Fertilization that occurs when male and female gametes produced by the same organism unite. Self-fertilization occurs in many protozoans and invertebrate animals. It results from self-pollination in plants. Self-fertilization allows an isolated individual organism to reproduce but restricts the genetic diversity of a community. Compare cross-fertilization.