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1 Corolla glabrous on its outer surface; leaf segments linear, < 0.5 mm wide; stem glabrous or puberulent; seeds wingless (though with ridges)
|1 Corolla pubescent on its outer surface; leaf segments lanceolate, 1-2 mm wide; stem pubescent; seeds 3-4-winged.|
|..2 Pubescence of stem long, reflexed; pedicels 6-7 mm long; capsule densely glandular-puberulent; seeds 1.0-1.2 mm long; [se. NC south to c. peninsular FL, west to s. MS]|
|..2 Pubescence of stem short, ascending; pedicels 7-10 mm long; capsule sparsely glandular-pubescent to nearly glabrous; seeds 1.2-1.4 mm long; [n. FL south to s. FL]|