Grex

Grex is a term used in biology and horticulture as well as a proper noun in various contexts. The word derives from Latin grex, meaning flock or herd, and in horticulture it has come to denote a defined group associated with a specific cross.

In orchidology, a grex refers to all offspring produced by a single cross between two parent plants. This concept groups together hybrids that share the same origin, even as individual cultivars or clones within the grex may differ in appearance. The grex name serves as a historical and breeding record, while separate cultivar names identify particular plants within that lineage. Orchid societies and registries regulate how grex names are formed and recorded, but these rules do not replace the need for individual cultivar designations.

Other uses: Grex is also employed as a brand name or component in the titles of various companies, products, and organizations. Because it is a general term, its meaning depends on the specific context, and there is no single global definition tied to the word alone.

In summary, grex primarily denotes a progeny group in orchid breeding, representing the descendants of a defined cross, while outside that field it appears as a versatile proper noun used by different entities.