Thibaudia litensis.  A: habit of portion of stem showing leaves.  B: habit of inflorescence on older branch.  C: portion of inflorescence showing flower with corolla removed.  D: corolla.  E: stamen showing lateral, ventral, and dorsal views (from Palacios 6913, type).  Reproduced from Flora of Ecuador 54: 293, fig. 19.  1996.