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Bracts of the inflorescence lanceolate in shape

Aquatic plant with broad, arrow-shaped leaves with long petioles. The blade of the leaf highlighted in photo above was 11 cm long and 4.5 cm wide. Flowers white, in a spike in whorls of 3 flowers. Flowering stems to 34 cm tall. Flowers measured to 25 mm diameter. Bracts of the inflorescence are lanceolate, the bract highlighted in photo above was 13 mm long and 3 mm wide. Plants glabrous.

Habitat is muddy shores and shallow waters across the prairies and parklands. Common.

Height listed in Flora of Alberta to 40 cm, we measured plants to 45 cm tall.

The above photos were taken July15th in a sluggish, shallow creek, about 100 km west of our home in Regina, SK.