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1 Flowering pedicels 10-20 mm long; main palmate veins 5 (usually with an additional pair of less prominent veins running very close to and parallel to the lower blade margin); flowers (11-) 12-14 mm long (measured dried, from base of calyx to the end of the longest petal); leaf apex prominently acuminate | |
2 Leaves coriaceous, glossy above, deep, rich green; leaf apex usually rounded or slightly emarginate; leaf margins undulate; legumes (11-) 13-17 (-20) mm wide; flowers (9-) 10-13 mm long; wing of legume (1.2-) 1.4-2.0 mm wide; [OK and TX, southwards] | |
3 Twigs, leaves, and fruits pubescent; leaf blades averaging 59 mm long × 56 mm wide | |
3 Twigs, leaves, and fruits glabrous; leaf blades averaging 72 mm long × 75 mm wide |