Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Leaf margins entire (or with scattered, weak teeth); scape (inflorescence stalk below the first branch) 0.5-2 dm tall
..2 Leaves 1.5-4 (-5) mm wide, green; capsules 4-4.5 × 4-5.5 mm, strongly asymmetrical; [moist flatwoods of the FL Coastal Plain]
....3 [limestone habitats of TX]
......4 Capsules 8-10 (-12) mm in diameter; leaves green; [of n. FL southwards to sc. FL]
......4 Capsules 5-7 mm in diameter; leaves glaucous; [of GA and SC]