Tolumnia

Previously called Variegata or equitant oncidiums.”equitant” (derived from the Latin meaning riding a horse). They have no pseudobulbs, giving fan-shaped shoots of less than 15 cm, with triangular section leaves. These oval, broad and spongy leaves act as storage organs. Their flowers are most complicated with exquisite colors. The sepals are somewhat fleshy. The petals and the lip are membranaceous. These orchids are now classified as Tolumnia.

Toloumnia

Reference

https://www.aos.org/Default.aspx?id=479

klairvoyant Orchids