distribution map
Phreatia bigibbosa J.J.Sm., flower, drawing J.J. Smith, from Versteeg 1660A
Phreatia bigibbosa J.J.Sm., floral analysis, drawing J.J. Smith, from Versteeg 1660A
Phreatia bigibbosa J.J.Sm., herbarium sheet, Versteeg 1660 a (holotype specimen BO)