Figure 157 from: 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

Figure 157 Ipomoea costellataA habit B outer sepal C inner sepal D corolla opened out to show stamens E ovary and style F fruiting inflorescence G capsule H seeds. Drawn by Rosemary Wise A from Wooton 625; B–E from Kearney & Peebles 10143; F–H from Palmer 649.