the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > flower or flowering plant > [adjective] > characterized by pollination > self-fertilizing or fertilized > not self-fertilizing (3)
unable to be self-fertilized: see quot. 1880.
Of a flowering plant or species: incapable of being fertilized by its own pollen. Contrasted with self-compatible, adj.