WILD FLOWERS WATER-PLANTAIN FAMILY (Alismaceae) Broad-leaved Arrow-head Sagittaria latifolia (S. variabilis) Flowers—White, 1 to 1-1/2 in. wide, in 3-bracted whorls of 3, borne near the summit of a leafless scape 4 in. to 4 ft. tall. Calyx of 3 sepals; corolla of 3 rounded, spreading petals. Stamens and pistils numerous, the former yellow in upper flowers; usually absent or imperfect in lower pistillate flowers. Leaves: Exceedingly... more...