Vaccinium steyermarkii, A-D.  A: habit.  B: close-up of leaf undersurface.  C: flower.  D: stamens, lateral, front, and close-up of front views (A-B and D from Steyermark et al. 128976A, type; C from Huber & Steyermark 7175).  Vaccinium pterocalyx, E-I.  E: habit.  F: cross section of stem showing wings.  G: portion of rachis with bracts, pedicel, and calyx.  H: corolla.  I: stamens, front, lateral, and close-up of dehiscence pore views (from A. Fernández 3134, type).  Reproduced from the Bulletin of the Torrey Botanical Club 112(4): 452, fig. 2.  1985.