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1 Rachis unwinged; petals appendaged (with a densely hairy, bifid scale on the inner side); leaflet apices generally acuminate to long-acuminate; [either c. peninsular FL, s. GA, and se. SC, or MO, AR, and LA westawrds].
..2 Leaflets 10-16; fruits 10-13 mm in diameter; leaflets usually < 20 mm wide; [MO, AR, and LA westwards]