A. jupunba (C.L. von Willdenow) Britton & E.P. Killip - top left fruit cluster, bottom left dehiscent fruit; A. jupunba (C.L. von Willdenow) Britton & E.P. Killip var. trapezifolia (M.H. Vahl) Barneby & J.W. Grimes - bottom right single fruit, top center seed in situ.