unisexuality

noun

1. (uncountable)The property of being unisexual (having characteristics of a single sex); (especially in botany) the property of being imperfect, i.e. having only male (stamina) or female (pistils) reproductive organs in one flower (monoecism) or individual (dioecism).

   “In all cases of hermaphroditism in animals where unisexuality of the individuals is the rule, the doubly sexed organs are always imperfect, […]”

   “As pointed out by Allen (1940), most mutations in the sex genes of hermaphroditic species will tend towards unisexuality, whereas most mutations in dioecious species will tend towards hermaphroditism (or monoecism), […]”

2. (uncountable)The state of being unisex (suitable for any sex).

   “It is somewhat jarring to find the name "Charlie," a name usually [applied to men, applied to a woman] […] those oriented toward female equality or unisexuality in names and behavior will silently approve of his apparent broad-mindedness.”

   “One observes the increasing percentage of unisexuality in Igbo onomastics, and it would not be surprising if such unisexuality invades the area of politically suggestive names.”