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1 Petals 5-14 mm long, white (rarely pinkish); calyx 3.2-6 mm long; fruits with long curved or hooked simple hairs along the sutures; seeds minutely hairy; [s. FL and s. TX southwards] | |
2 Inflorescence branched; leaves hastate or lanceolate, .20 mm wide, unlobed or, if lobed, then lobes not reflexed; margin serrate or biserrate; [NY south to s. FL, west to e. and s. TX] | |