Taxonomy
Family: Najadaceae
Habitat
Ponds and slow streams. Often in calcareous waters.
Associates
Distribution
Morphology
Herbaceous aquatic. Leaves opposite, flaccid, entire or at least not conspicuously toothed, obtuse to merely acute, the larger ones more than 0.7 mm wide. The style with stigmas up to 0.6 mm long. Seeds pitted, often purple-tinged, to 2.5 mm long.
Notes
Flowers early to late September
Wetland indicator: Obligate
Bibliography
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
Michael Hough © 2005 |