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General: Arrowhead Family (Alismataceae). Sagittaria cuneata is an aquatic plant growing in swampy ground or standing water in ponds, lakes, stream edges, and ditches (Hickman 1993). Wapato have white or bluish tubers, which are edible. The leaves are sagittate, with 5-15 cm long erect or floating leaf blades; the lower lobes of the emergent leaf blades are less than the terminal lobe. The inflorescence is simple or branching, often with the lower flowers pistillate and the upper ones staminate. The flowers are white, with three white petals and 3 sepals. Stamens are numerous and bright yellow. The pistils are numerous, spirally arranged on the receptacle. The fruit is a greenish colored achene.