Aquatic and Wetland Vascular Plants of the Northern Great Plains
43. Callitrichaceae, the Water Starwort Family
1. Callitriche L. -- Water starwort1. 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).
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| Callitriche hermaphroditica, with closeup of fruits. |
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