The species is recognized by Kew POWO with a front and side view of the flower which matches this plant; this species is very distinctive in form, color and crisping in the lip and does not match other species in its group. The name refers to the conspicuous crisping of the lip midlobe. The extent of crisping of the species is extremely variable. There is an excellent match of this flower to the photo in the IOSPE.