A–H Ipomoea graniticola. A habit B stem C outer sepal D inner sepal E corolla opened out to show stamens F ovary and style G shoot with fruiting inflorescence showing capsule H seeds. J–L Ipomoea subrevoluta. J inflorescence K outer sepal L inner sepal. Drawn by Rosemary Wise A–F from Wood et al. 27763; G, H from Wood et al. 24991; J–L from Wood et al. 27790.