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1 Leaves with 2 leaflets; floral bracts lanceolate to narrowly elliptic, 1.3-1.7 mm wide; loment with retrorsely barbed bristles and hirtellous; loments with (3-) 4-6 (-7) segments; loment segments ± square, 1.9-2.1 mm long. | |
2 Surface of the fruit articles densely setose, not reticulate; flora bracts only partly hiding the flowers | |
2 Surface of the fruit articles conspicuously reticulate; floral bracts 8-12 mm long, mainly hiding the flowers |
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1 Leaflets 5 or more (at least on the largest and best developed leaves); corolla blue, pink, or violet (except yellow in Lupinus luteus). | |
3 Leaflets linear to very narrowly oblanceolate, 0.5-2.0 (-3.5) mm wide, > 10× as long as wide; [Coastal Plain] | |