Trichostema setaceum
| Trichostema setaceum | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Trichostema |
| Species: | T. setaceum
|
| Binomial name | |
| Trichostema setaceum | |
| Synonyms[2] | |
| |
Trichostema setaceum is an herbaceous flowering plant. Commonly referred to as narrowleaf bluecurls, it is in the Lamiaceae (mint family).[3] It grows in sandy soil, sandhills, and rocky uplands.[4]
Description
Narrowleaf bluecurls is an annual growing to 50 cm (20 in). Stunning purple-blue flowers are borne from September to October. The stamens extend far beyond the petals, growing up to 20 mm (0.79 in).[5] The leaves of T. setaceum are entire.[6]
Conservation
It is listed as endangered in Kentucky, New York, Ohio, and Pennsylvania.[7] It is critically imperiled in Missouri.[5]
References
- ^ a b "Trichostema setaceum". NatureServe Explorer. Retrieved 22 August 2025.
- ^ "Plants Profile for Trichostema setaceum (narrowleaf bluecurls)". plants.usda.gov.
- ^ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2020-03-01.
- ^ "Trichostema setaceum page". www.alabamaplants.com. Retrieved 2020-03-01.
- ^ a b "Trichostema setaceum page". www.missouriplants.com. Retrieved 2020-03-01.
- ^ Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 897. Print.
- ^ "Plants Profile for Trichostema setaceum (narrowleaf bluecurls)". plants.usda.gov. Retrieved 2020-03-01.