Alisma triviale - photos and description

Saskatchewan's Wildflowers

Wetland plant with a leafless flower stalk, rising well above its leaves. Leaves are basal, ovate, with long petioles. Leaf highlighted in photo above had a blade measured at 5.5 cm long and 3.5 cm wide. White flowers in a panicle, flower measured at 9 mm diameter. Stems hairless, top of leaves hairless, a few hairs on the central nerve on the bottom of the leaf.

We measured plants to 80 cm tall.

Habitat is marshes, streams, sloughs, lakeshores, ditches. Common.

Took the above photos August 18th, wet ditch, Parklands, 300 km east of our home in Regina, SK.

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