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|1 Sepals 4 and similar in size; style entire; [of dry habitats]|
|1 Sepals 2 (or 4, and then markedly dimorphic); style cleft; [of moist to wet habitats].|
|..2 Capsule length 3.5-5.5 mm, rotund to broadly ellipsoid; corolla tube length 4.0-7.5 mm; leaf length at midstem 14-36 mm|
|..2 Capsule length 6.5-9.0 mm, narrowly ellipsoid to broadly ellipsoid; corolla tube length 6.5-10.0 mm; leaf length at midstem 27-65 mm|