Comarum palustre L.  
Family: Rosaceae
marsh cinquefoil, purple marshlocks
[Potentilla palustris (L.) Scop., Potentilla palustris var. parvifolia (L.) Scop., Potentilla palustris var. villosa (L.) Scop.]
Comarum palustre image
Kitty Kohout  
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
Comarum palustre image
Derek Anderson  
Comarum palustre image
Christopher Noll  
Comarum palustre image
Christopher Noll  
Comarum palustre image
Kurt Stüber  
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