1 Flowers yellow, the tepals 12-16 mm long; flowers 3-8 (-10) per inflorescence (in fruit often fewer by abortion); berries blue (rarely to whitish-blue), 8-12 mm long, each with 8-16 seeds; leaf margins and lower surface of midvein (near lower, sheathing portion of leaf) glabrous or slightly ciliate; plants colonial by rhizomes 1-2 mm in diameter; leaf blade 1.5-2.5 (-3.5)× as long as wide; [mostly northern in our region or in the Mountains at high elevations, generally associated with spruce-fir or northern hardwoods forests, but sometimes in oak forests and seepages]