Sagittaria cuneata E.Sheld.

Emersed or submersed, and vegetatively plastic, with large, edible tubers; lvs long-petioled, sagittate to lanceolate or phyllodial, the blade (when emersed) with lanceolate to deltoid-ovate central lobe 10–18 × 1–10 cm and triangular, pointed, usually much shorter basal lobes, commonly (and unlike all our other spp.) cordate when floating; submersed phyllodia, when present, commonly ribbon-shaped, to 5 dm; scape 1–5+ dm, with 2–10 whorls of fls, occasionally branching at the lowest whorl, the upper fls staminate, the lower pistillate, on ascending pedicels 0.5–2 cm; bracts 1–4 cm, lanceolate, acute or acuminate, whitish and delicate; sep ovate, acuminate, 4–8 mm, reflexed in fr; pet 7–10 mm; stamens 15–25, the filaments subulate, glabrous, about as long as the anthers; achenes 1.8–2.6 mm, with a prominent, rounded wing on the back, the ventral wing nearly or quite as large as the dorsal and confluent with the beak, nearly or quite without facial wings, but with resin-ducts; beak very short, erect, 0.1–0.5 mm; 2n=22. Ponds and marshes, in water or mud (often sandy silt); N.S. and Que. to Mack. and Alas., s. to N.Y., n. O., Ill., Okla., Tex., and Calif. July–Sept. (S. arifolia)

Calcareous or muddy shores and shallow waters of rivers, lakes, ponds, pastures, and ditches, occasional in tidal waters, or in deep flowing water with slow current; 100-2500 metres.

The corms are boiled and eaten. They can be boiled fresh, dried, or candied with maple syrup.

Can be grown by seedlings.