1 Column 13-19 mm long; lip 21-33 (-38.5) mm long, the basal 3/4 of the central keel of the lip with 5-7 discontinuous and irregular ridges; sepals (24-) 30-40 (-55) mm long; petals 21-36 mm long; distance between median leaf and floral bract 3-16 cm; fresh flowers with strong vanilla scent (in
C. oricamporum, of the Coastal Plain) or odorless (in
C. bifaria, of the Mountain and upper Piedmont); [either of the Coastal Plain NC to peninsular FL west to e. LA or of inland provinces].