Family: Araliaceae
American marsh pennywort, marsh pennywort
Derek Anderson
Robert W. Freckmann
University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP)
Etymology: Hydrocotyle: from Greek hydor, "water," and kotyle, "a small cup"
Plants: creeping, perennial forb; stems very thin; rooting from stems nodes
Leaves: long, round to broadly oval, 1/4"-2 1/4" wide, 6-10 shallow lobes but not divided
Flowers: white, 5-parted; inflorescence an unbranched, flat umbel with 2-7 stalkless flower-groups per umbel (no umbellets); blooms June-Sept.
Fruits: dry, splitting into 2 seeds - fruit:
seed:
Habitat: moist; marshes, springs, swamps
Conservation Status: Native
Plants: creeping, perennial forb; stems very thin; rooting from stems nodes
Leaves: long, round to broadly oval, 1/4"-2 1/4" wide, 6-10 shallow lobes but not divided
Flowers: white, 5-parted; inflorescence an unbranched, flat umbel with 2-7 stalkless flower-groups per umbel (no umbellets); blooms June-Sept.
Fruits: dry, splitting into 2 seeds - fruit:
seed:Habitat: moist; marshes, springs, swamps
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 7, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos Minnesota Dept. of Natural Resources: Rare Species Guide; description, conservation, photos, maps, etc.
Robert W. Freckmann
Caroline A. Creevey
