dioecious
Adjective
Meaning
Having the sexes in two separate individuals; -- applied to plants in which the female flowers occur on one individual and the male flowers on another of the same species, and to animals in which the ovum is produced by one individual and the sperm cell by another; -- opposed to monoecious.
Source: Webster's dictionarySynonyms
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Examples
An estimated 48.7% of plant species are either dioecious or self-incompatible obligate out-crossers. citation It is also estimated that about 42% of flowering plants exhibit a mixed mating system in nature.
Heteromorphic sex chromosomes were reported to occur in staminate individuals of dioecious "Kentucky" hemp, but were not found in pistillate individuals of the same variety.
In 1965, E. J. H. Corner reorganized the genus on the basis of breeding system, uniting these four dioecious subgenera into a single dioecious subgenus Ficus.
Dioecy is relatively uncommon in the plant kingdom, and a very low percentage of dioecious plant species have been determined to use the XY system.
ISBN 1-56022-872-5 Subdioecy (the occurrence of monoecious individuals and dioecious individuals within the same population) is widespread. citation citation citation Many populations have been described as sexually labile.
Male and female flowers of the hop plant develop on separate plants ( dioecious ).