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Bransford, W.D. and Dolphia
Eriocaulon aquaticum (Hill) Druce
Common Pipewort, Sevenangle pipewort
Synonym(s): Eriocaulon pellucidum, Eriocaulon septangulare
USDA Symbol: eraq2
An emergent aquatic with a cottony, grayish-white, knob-like flower head atop a 7-sided, leafless stalk above a submerged tuft of grass-like, basal leaves.
This striking wetland plant is the most common and widespread of several species of pipewort in the East. The plants whitish roots have many conspicuous cross markings. The alternate common name Hatpins aptly describes the plants overall appearance. This species has also been called E. septangulare.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Bloom InformationBloom Color: White
Bloom Time: Jul , Aug , Sep
, WI Canada: MB
, QC Native Distribution:
Manitoba east to Nova Scotia, south to South Carolina, and north and northwest to Ohio, Indiana, Michigan, Wisconsin, and Minnesota. Native Habitat:
Still water at edges of ponds and lakes.
Growing ConditionsSoil Moisture: Wet
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2007-01-01
Research By: TWC Staff