Cuphea viscosissima, also known as blue waxweed,[3][4] clammy cuphea or (ambiguously) as "tarweed",[1][5] is an herbaceous plant in the loosestrife family. It native to the eastern United States,[6] where it is most often found in open, rocky calcareous areas.[7][8] It is the most common and widespread Cuphea in the U.S.[9]
| Cuphea viscosissima | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Lythraceae |
| Genus: | Cuphea |
| Species: | C. viscosissima |
| Binomial name | |
| Cuphea viscosissima | |
| Synonyms[1][2] | |
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This species is notable for its sticky stems. It produces a purple-red flower in late summer.[10] Flowers attract butterflies and hummingbirds.[8]
This species is morphological similar to Cuphea lanceolata, which is found in Mexico. It can be distinguished from Cuphea lanceolata by its smaller flower.[9]
| Taxon identifiers |
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