Ipomoea megapotamica subsp. megapotamica. A habit B abaxial leaf surface C outer sepal D inner sepal E corolla opened out to show anthers F ovary and style G Young fruit and calyx showing glands at base of sepals. Ipomoea megapotamica subsp. velutina. H leaf J abaxial leaf surface. Drawn by Rosemary Wise A, B from G. Hatschbach 23711; C–G from Fernández Casas & Molero 4302; H–J from A. Fernández-R. et al. 9612.

 
 
  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