USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Aquatic and Wetland Vascular Plants of the Northern Great Plains

43. Callitrichaceae, the Water Starwort Family

1. Callitriche L. -- Water starwort

1. Callitriche hermphroditica L.


Submersed aquatic with stems 0.5-3 dm long. Leaves all submersed, linear, 3-12 mm long, 0.5-1.3 mm wide, 1-nerved, shallowly bidentate at the tip, clasping at the base, opposite leaf bases not connected. Flowers naked, not subtended by hyaline bracts. Fruits as wide or wider than high, 1-1.3 mm high, 1-1.5 mm across. Jun--Sep. Shallow to moderately deep water of lakes, ponds, marshes, ditches and sluggish streams; occasional in ND and n SD, less common s and w; (Circumboreal, in N.Amer. s to ME, NY, MI, MN, n NE, NM and CA).
GIF- Species Photo/Drawing
GIF- Distribution Map

Map key

Callitriche hermaphroditica, with closeup of fruits.  

Return to Family -- Callitrichaceae - The Water Starwort Family
Next Section -- Callitriche heterophylla Pursh

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/vascplnt/species/cher.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:41:19 EST
Sioux Falls, SD [sdww54]