long; corolla salverform, purple-tinted (Cooper 516), glabrous externally, the tube ca. 6-7 mm long, pubescent near the level of stamen attachment, the lobes + obovate, ca. 4-5 mm long; stamens attached near the top of the corolla tube, the anthers ca. 0.8 mm long; ovary ? syncarpous, the nectary cupulate, the ovules 2, the stigma columnar. Fruit unknown.