Alisma triviale (Common Water-Plantain) - photos and description

Alisma triviale
15 cm ruler for scale

Alisma triviale

Alisma triviale

Alisma triviale

General: Wetland plant with a leafless flower stalk, rising well above its leaves. Stems hairless.

Flowers: White flowers in a panicle, flower measured at 9 mm diameter.

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. Top of leaves hairless, a few hairs on the central nerve on the bottom of the leaf.

Height: Height listed in Flora of the Great Plains to 100 cm, we measured plants to 80 cm tall.

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

Abundance: Common.

Origin: Native.

When and where photographed: Took the above photos August 18th, wet ditch, parklands, 300 km east of our home in Regina, SK.