Sagittaria latifolia Willd.
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Authority
Bogin, Clifford. 1955. Revision of the genus Sagittaria (Alismataceae). Mem. New York Bot. Gard. 9 (2): 179-233.
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Family
Alismataceae
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Scientific Name
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Description
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Species Description - Plant glabrous or variously pubescent. Perennial with rhizomes and/or runners and corms. Leaves emersed or submerged, the emersed occasionally linear to ovate, mostly sagittate with linear to ovate-triangular blades 3-26 x 0.7-26 cm, the basal lobes 2-24 x 0.5-15 cm, linear to ovate-triangular, the submerged rare, modified into linear phyllodia to 60 cm long, the petioles to 100 cm long. Scape 15-80 cm long, with 2-7(-10) whorls of flowers, occasionally branching from the lowest whorl. Bracts 0.4-0.9(-1.5) cm long, boat-shaped, joined at the base or nearly free. Pedicels ascending, 0.5-6 cm long. Sepals reflexed, 0.5-1.1 cm long. Petals white, ca. twice as long as the sepals. Stamens 21-[infinity], the glabrous more or less linear filaments 1-3.7 mm long, the oblong anthers 1-2.3 mm long. Mature receptacle 1-2.5 cm in diameter; achenes obovate, 2.5-4 x 1.5-2.5 mm, the occasionally crested dorsal wing 0.4-0.8 mm wide, the ventral wing somewhat narrower, the faces with a resin duct and/or a low rib, or frequently unadorned, the gradually tapering, laterally inserted beak 0.6-1.6 mm long.