Etymology: Comarum: Greek name of the Arbutus having a similar fruit
Plants: sprawling, perennial, 8"-24" tall, emergent, semi-aquatic; stems reddish-brown, coarse, somewhat woody below; from long rhizomes
Leaves: long stalked, pinnately-divided into 5-7 leaflets, oblong to elliptical, sharply toothed
Flowers: purple to red, 5-parted, 3/4" wide, petals half as long as the sepals; inflorescence a few-flowered, leafy cluster; blooms June-Aug.
Fruits: head of smooth, dry seeds
Habitat: bogs, swamps, streambanks; in mucky, peaty soil
Conservation Status: Native