Family: Polygonaceae
water heart's-ease, water smartweed
[Persicaria amphibia var. stipulacea (L.) Gray, more...]
Robert Bierman
Emmet J. Judziewicz
University of Wisconsin - Madison (WIS-VP)
Etymology: Persicaria: peach-like, the medieval name for knotweed
Plants: erect, terrestrial or floating, perennial, aquatic forb 1'-5' tall; stems branched with usually several major stems flowering; from rhizomes
Leaves: alternate, base not jointed, up to 2 1/3" wide
Flowers: pink to red, 5-parted, 3/16" long, cup-shaped, petals and petal-like sepals bluntly rounded at the tip and connected at the base; inflorescence 3/4"-6" solitary or paired, spike-like, terminal clusters 1/3"-3/4" thick on a stalk jointed at the top; blooms June-Sept.
Fruits: shiny, dark, dry seed
Habitat: wet; meadows, shallows, water < 7' deep; in sediment soil
Conservation Status: Native
Plants: erect, terrestrial or floating, perennial, aquatic forb 1'-5' tall; stems branched with usually several major stems flowering; from rhizomes
Leaves: alternate, base not jointed, up to 2 1/3" wide
Flowers: pink to red, 5-parted, 3/16" long, cup-shaped, petals and petal-like sepals bluntly rounded at the tip and connected at the base; inflorescence 3/4"-6" solitary or paired, spike-like, terminal clusters 1/3"-3/4" thick on a stalk jointed at the top; blooms June-Sept.
Fruits: shiny, dark, dry seed
Habitat: wet; meadows, shallows, water < 7' deep; in sediment soil
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Wetland Plants: Photos, descriptions, information USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Emmet J. Judziewicz
Emmet J. Judziewicz
Matthew L. Wagner
Paul Skawinski
Paul Skawinski
Emmet J. Judziewicz
Thomas Givnish
Robert Bierman
Dennis W. Woodland
Arthur Meeks
Botanical Illustration
Botanical Illustration
Botanical Illustration
Botanical Illustration
Botanical Illustration
Botanical Illustration
Aaron_Carlson
