What does xenogamous mean?
Xenogamous is a specialized adjective describing plant crossing or reproduction involving different species or varieties. It is especially associated with controlled cross-pollination in botany, horticulture, and plant breeding, where pollen from one plant is used to fertilize another. A xenogamous cross may produce a hybrid that combines genetic traits from both parents, although the resulting plant is not necessarily fertile. The word belongs to formal scientific and horticultural writing and is much less common in everyday speech. In such contexts, “xenogamous” is useful because it states more specifically than “hybrid” that the crossing crosses a species or varietal boundary. It should not be used simply for every instance of ordinary cross-pollination, since transfers between different individuals of the same species are more precisely described as allogamous.
adjectiveRelating to or involving xenogamy, especially the cross-pollination of plants from different species or varieties. The term is chiefly used in botany and plant breeding.
- Relating to or involving the cross-pollination of plants from different species or varieties.
"The botanist used controlled pollination to produce a xenogamous hybrid between two closely related species."
"The botanist used controlled pollination to create a xenogamous hybrid between two closely related species."
"The article explains that xenogamous crosses can introduce useful traits into cultivated plants."
Xenogamous crosses put biology's different-species rule to work in the plant breeder's greenhouse.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does xenogamous come from?
Xenogamous is a Latinized scientific compound formed from Greek xenos, meaning “foreign” or “different,” and gamos, meaning “marriage” or “union.” In botanical terminology, the name refers to the union or cross-pollination of reproductive material from different species or varieties. The English word preserves these Greek elements in the form customary for botanical and biological classification.
Related word forms
How xenogamous is actually used
This is a formal, specialized term used chiefly in botany, horticulture, and plant breeding. It is uncommon in general writing, where “hybridization” or “crossbreeding” is usually more accessible.
Easily confused with xenogamous
Xenogamous is the adjective describing xenogamous crossing, whereas xenogamy is the noun naming the process.
Allogamous plants cross-pollinate with other individuals, while xenogamous conventionally refers to crossing between different species or varieties.