Cicuta maculata (Water Hemlock) - photos and description

Cicuta maculata

Cicuta maculata

Cicuta maculata

Cicuta maculata

Cicuta maculata

Cicuta maculata

General: Stout-stemmed plants, with an erect growth habit. This plant is very poisonous.

Flowers: Compound umbels of white flowers. Flowers fragrant. Compound umbel measured to 10 cm diameter, umbellet measured at 23 mm diameter, flowers to 3 mm diameter. The compound umbels have few or no bracts.

Leaves: Leaves 2 or 3 times pinnate with lanceolate leaflets, leaflets saw-toothed. Leaflet measured at 7 cm long and 18 mm wide. Basal leaves long-stalked, stem leaves alternate.

Height: Height is listed in Budd's Flora to 200 cm, we measured plants to 101 cm tall.

Habitat: Wet and marshy places, edges of steams and ponds.

Abundance: Common.

Origin: Native.

Similar species: This plant might be confused with the non-poisonous Sium suave (Water Parsnip), however that plant has leaves that are once pinnate, while Cicuta maculata has leaves that are twice pinnate.

When and where photographed: Photos taken July 28th, wet ditch, mixed moist woods, Porcupine Hills, about 500 km north east of our home in Regina, SK.