Cavendishia endresii, A-C.  A: habit.  B: flower with corolla removed showing pedicel, bracteoles, calyx, and stamens in place.  C: corolla (from Luteyn 622).  Cavendishia quereme, D-F.  D: habit.  E: corolla (note blunt angles) and calyx.  F: alternate stamens, lateral and ventral views (from Luteyn & Wilbur 4294).  Reproduced from Flora Neotropica Monograph 35: 247, fig. 74.  1983.