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| Stems hollow. Greenish, tiny flowers (3-parted) in round ball-like clusters with the male flowers above the female flowers. A hard-beaked bur in fruit. Zigzagging stems, parallel-veined leaves grass-like and triangular in cross section. Wet places. | |
| Flora of North America: Discussion, key to genera (opens new window) | |
| Flower Formula: Sepals 3-6; Petals 0 | Glossary |
| Genus (Click for Taxon List) |
WI Taxa (map link) |
Photo | Genus Traits | Google Searches |
|---|---|---|---|---|
| Sparganium
bur-reed |
9 |  |
Images Information |