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| Linear, alternate, parallel-veined leaves that sheathe the knotty, succulent, juicy stems. Flowers in clusters at the top of the stems have 3 sepals and 3 petals that open 1 or 2 at a time. In some cases the third petal is smaller than the other two. Usually blue. | |
| Flora of North America: Discussion, key to genera (opens new window) | |
| Flower Formula: Sepals 3; Petals 3 | Glossary |
| Genus (Click for Taxon List) |
WI Taxa (map link) |
Photo | Genus Traits | Google Searches |
|---|---|---|---|---|
| Commelina
dayflower |
2 |  |
1 petal smaller than other 2. | Images Information |
| Tradescantia
spiderwort |
3 |  |
All petals alike. | Images Information |