Gentiana quinquefolia). Annual or biennial to 60cm but often less and occasionally more. Leaves ovate to lanceolate and oblong, 2-8cm long. Flowers pale violet-blue to lilac, rarely greenish-white (forma lutescens), to 2cm long, the petal lobes bristle-tipped, late summer to autumn. Eastern U.S.A. in moist woods, wet gravelly banks and fields.