Macleania alata, A-D.  A: habit with inset of winged stem.  B: flower.  C: longitudinal section of corolla showing position of stamens.  D: stamens, side, back, and front views, showing connate filaments (Zak 1209, type).  Macleania subsessilis, E-H.  E: habit.  F: corolla.  G: longitudinal section of corolla and calyx.  H: stamens, front, back, and side views (Luteyn et al. 14729, type).  Reproduced from Flora of Ecuador 54: 139, fig. 9.  1996.