Solanum americanum A habit B leaves and young inflorescence C buds and flowers D mature, shiny black fruits with reflexed calyx lobes (A, D Knapp et al. 10210 B Knapp et al. 10205 C Knapp et al. 10360). Photos by S. Knapp. Previously published in Särkinen et al. (2018: 58) and Knapp et al. (2019: 39).