The compound, alternate leaves are green, also glaucous (excluding petioles), and up to 1 by 0.5 feet (30 by 15 cm), becoming smaller as they ascend the stems.

The axils of the upper leaves often have sessile clusters of ovoid bulbils, capable of giving rise to new plants.

Flowers are about 1⁄8 inch (3.2 mm) across and consist of 5 white petals, 5 stamens, 2 styles, and an ovary.

The blooming period occurs during late summer to early fall and lasts about a month.

Each seed is contained in a fruit of the same size as the original flower that is somewhat flattened, egg-shaped, and slightly notched at its apex.

[3] Cicuta bulbifera is native to North America and has a wide range of distribution from Newfoundland and Labrador to British Columbia in Canada, to Virginia, Indiana, Nebraska and Oregon in the United States.

It grows along the edges of marshes and lake margins, in bogs, wet meadows, shallow standing water and along slow-moving streams.

[6] The symptoms of poisoning by C. bulbifera in human beings include pain in the stomach, nausea, violent vomiting, diarrhea, dilated pupils, labored breathing, foaming at the mouth and rapid convulsions.