A–H Ipomoea retropilosa subsp. retropilosa. A habit B abaxial leaf surface C outer sepal D middle sepal E inner sepal F corolla opened out to show stamens G ovary, style and stigma H young fruiting calyx. J, K I. retropilosa subsp. cundinamarcana. J outer sepal K calyx with rostrate apex to capsule. Drawn by Rosemary Wise A–H from J. B. Simmons 281; J, K from André s.n.

 
 
  Part of: Wood JR.I, Muñoz-Rodríguez P, Williams BR.M, Scotland RW (2020) A foundation monograph of Ipomoea (Convolvulaceae) in the New World. PhytoKeys 143: 1-823. https://doi.org/10.3897/phytokeys.143.32821