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Authors: L.  

Botanical Description

tufted to small clump-forming, 15-25cm high. Leaflets broadly obcordate, to 2.5cm long and wide, often purple beneath. Flowers in umbels of three to ten, purple, violet or white, with a yellowish eye, 2.5-3.5cm long, late spring to summer. Eastern North America from Maine to Florida westwards to the Rocky Mountains, in woods, prairies and gravelly banks.