Flora of the Southeastern United States
2022 Edition

Colors

Data mode

Key to Cleistesiopsis

1 Column 21-29 mm long; lip (26-) 34-56 mm long, the basal 3/4 of the central keel of the lip with 1-3 parallel, continuous low ridges; sepals (31-) 40-56 (-65) mm long; petals 27-53 mm long; distance between median leaf and floral bract 9-20 cm; fresh flower with daffodil-like odor; [of the Coastal Plain, NJ to ne. FL]
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].
..2 Fresh flowers odorless (or nearly so); [of the Mountains and Piedmont]
..2 Fresh flowers with strong vanilla scent; [of the Coastal Plain]