Cattlianthe J.M.H. Shaw (2003), abbreviated Ctt. in the horticultural trade, is the orchid nothogenus for intergeneric hybrid greges containing at least one ancestor species from each of the two ancestral genera Cattleya Lindl. (1824) and Guarianthe Dressler & W.E. Higgins (2003), and from no other genera. \n* Ctt. Portia 'Gloriosa'(= Gur. bowringiana × C. labiata) (Formerly C. Portia) \n* Ctt. Chocolate Drop 'Volcano Queen'(= C. guttata × Gur. aurantiaca) (Formerly C. Chocolate Drop) \n*