Themistoclesia alata.  A: habit.  B: leaf, lower surface.  C: portion of stem showing solitary flower in leaf axil.  D: flower, with corolla removed.  E: corolla.  F: cross section of ovary showing wings.  G: stamen, back, front, and side views.  H: immature berry.  I: immature berry, with longitudinal and cross sections.  J: calyx, with longitudinal and cross sections showing ovules.  K: mature berry (A-B from Luteyn & Escobar 13260; C-K from Luteyn et al. 10663).  Reproduced from Flora of Ecuador 54: 373, fig. 26.  1996.