 The flowers have large sepals, with a central green rib and colour varying from white to pink, while petals are short, pubescent, yellow to greenish.The labellum is trilobed, with two pronounced humps on the hairy lateral lobes, the median lobe is hairy and similar to the abdomen of a bee.The labellum is remarkable for displaying at least four distinct colours, in addition to the two colours of the sepals and petals.