× ''Bratonia'', abbreviated ''Brat.'' in the horticultural trade, is the

nothogenus In botanical nomenclature, a Hybrid (biology), hybrid may be given a hybrid name, which is a special kind of botanical name, but there is no requirement that a hybrid name should be created for plants that are believed to be of hybrid origin. The ' ...

for

intergeneric hybrid In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction. Hybrids are not always intermediates between their parents (such as in ...

s between the orchid genera ''

Brassia ''Brassia'' is a genus of orchids classified in the subtribe Oncidiinae. It is native to Mexico, Central America, the West Indies, and northern South America, with one species (''B. caudata'') extending into Florida. The genus was named afte ...

'' and ''

Miltonia ''Miltonia'', abbreviated Milt. in the horticultural trade, is an orchid genus comprising twelve epiphyte species and eight natural hybrids. The miltonias are exclusively inhabitants of Brazil, except for one species whose range extends from Braz ...

'' (''Brs.'' × ''Milt.'').Alphabetical One-Table List of Genera and Intergeneric Hybrids
Royal Horticultural Society, 2017. An incorrect synonym for this nothogenus is × ''Miltassia'' (''Mtssa.'').

References

Orchid nothogenera Oncidiinae {{Cymbidieae-stub