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| Perennial plants growing submersed in water. Stems often jointed with leaves sheathing the stem at the base. Small flowers with 4 stamens growing from axils on spikes. | |
| Flora of North America: Discussion, key to genera (opens new window) | |
| Flower Formula: Sepals 4?; Petals 0 | Glossary |
| Genus (Click for Taxon List) |
WI Taxa (map link) |
Photo | Genus Traits | Google Searches |
|---|---|---|---|---|
| Potamogeton
pondweed |
40 |  |
Leaves either all submersed or submersed and floating; submersed leaves translucent, not channeled, flattened; on stiff stalks | Images Information |
| Stuckenia
pondweed |
5 |  |
Leaves all submersed, opaque, channeled, swollen; on flexible stalks | Images Information |