in horticultural trade, is a genus of orchids that contains about 30 species with egg-shaped pseudobulbs and thin, plicate (pleated) leaves.

The World Checklist of Selected Plant Families, maintained by the Royal Botanic Gardens at Kew, is recognized by the American Orchid Society as the definitive authority on orchid taxonomy.

Orchid growers and orchid collectors, who tend to be taxonomic splitters more often than lumpers, recognize additional subspecies and varieties of Lycaste, as well as alba (white) forms of several species.

The Lycastes are divided into four sections and two subsections: All but two of the Deciduosae have spines at the apices of their pseudobulbs, that become exposed when the leaves are dropped.

Xanthanthae Paradeciduosae Macrophyllae Fimbriatae Natural hybrids Hybrids A 2002 revision of the Lycaste genus moved many species of the section Fimbriatae to a new genus, Ida.