TYPE: Colombia. Comisaria del Vaupés, Rio Kuduyari (affluent of Rio Vaupés), Yapoboda. Quartzite savannah. " Terrestrial. Flowers purple." October 4-6, 1951, R. E. Schultes & I. Cabrera 14269 (holotype, AMES, on four sheets; sheet 1 of 4; sheet 2 of 4; sheet 3 of 4; sheet 4 of 4; illustration of type).