Cuphea viscosissima

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]
  • Cuphea petiolata (L.) Koehne
  • Lythrum petiolatum L.
  • Parsonsia petiolata (L.) Rusby

This species is notable for its sticky stems. It produces a purple-red flower in late summer.[10]

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]

References
  1. "Cuphea viscosissima". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved January 19, 2018.
  2. "Cuphea viscosissima". Integrated Taxonomic Information System. Retrieved October 25, 2007.
  3. Blanchan, Neltje (2002). Wild Flowers: An Aid to Knowledge of our Wild Flowers and their Insect Visitors. Project Gutenberg Literary Archive Foundation.
  4. Cuphea viscosissima at USDA PLANTS Database
  5. Cuphea viscosissima at Plants For A Future
  6. "Cuphea viscosissima". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 20 January 2017.
  7. "Flora of the Southern and Mid-Atlantic States".
  8. Missouri Botanical Garden
  9. Graham, Shirley (1988). "Revision of Cuphea Section Heterodon (Lythraceae)". Systematic Botany Monographs. 20: 1. doi:10.2307/25027697. JSTOR 25027697.
  10. Missouri Plants


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