The posterior lip is decurrent on the tube. The throat of the calyx is open and bearded with a ring of hairs just below the mouth. The lateral lobes on the anterior lip are lanceolate and symmetrical.
The posterior lip is contiguous on the tube. The throat of the calyx is open and bearded with a ring of hairs just below the mouth. The lateral lobes on the anterior lip are lanceolate and symmetrical.