Odontoglossum

Odontoglossum, first named in 1816 by Karl Sigismund Kunth, is a formerly accepted genus of orchids that is now regarded as a synonym of Oncidium.

[2] The scientific name of the genus is derived from the Greek words odon (tooth) and glossa (tongue), referring to the two tooth-like calluses on the base of the lip.

These flowers may be white, red, purple, brown, yellow, or even be blotched with a showy blend of many colors.

Many have now been reclassified in other genera such as Aspasia, Cuitlauzina, Cyrtochilum, Gomesa, Miltonia, Oliveriana, Oncidium, Otoglossum, Rhynchostele and Rossioglossum.

The hybrids with red pigmentation are nearly all derived from a crossing with species formerly placed in the genus Cochlioda and especially with Oncidium noezlianum (syn.