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Authors: Muhl.  

Botanical Description

Clump to colony-forming, the erect, usually branched stems about 30cm in height. Leaves linear to lanceolate to ovate, l-3cm long, sometimes obscurely toothed and dotted with dark glands. Flowers rich yellow, 1.5-2cm long. G.a. forma leucantha has white flowers, forma helveola, honey-coloured. Summer to early autumn. Eastern North America, on peaty or gravelly lake shores and in marshes.