Trichostema

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Lamiales

Familia: Lamiaceae
Subfamilia: Ajugoideae
Genus: Trichostema
Sectiones: T. sect. Chromocephalum – T. sect. Orthopodium – T. sect. Paniculatum – T. sect. Rhodanthum – T. sect. Trichostema

Species: T. arizonicum – T. austromontanum – T. brachiatum – T. dichotomum – T. lanatum – T. lanceolatum – T. laxum – T. mexicanum – T. micranthum – T. oblongum – T. ovatum – T. parishii – T. purpusii – T. rubisepalum – T. ruygtii – T. setaceum – T. simulatum – T. suffrutescens
Name

Trichostema L., Sp. Pl. 2: 598. 1753.
Type species: Trichostema dichotomum L., Sp. Pl. 2: 598. 1753

Synonyms

Heterotypic
Eplingia L.O.Williams, Fieldiana, Bot. 36(3): 18. 1973.
Type species: Eplingia saxicola L.O.Williams
Isanthus Michx., Fl. Bor.-Amer. 2: 3. 1803.
Type species: Isanthus coeruleus Michx.

References

Linnaeus, C. 1753. Species Plantarum 2: 598.
Huang, M., Crawford, D.J., Freudenstein, J.V. & Cantino, P.D. (2008) Systematics of Trichostema (Lamiaceae): Evidence from ITS, ndhF, and Morphology, Systematic Botany 33(2):437-446. Available on line [1]. Accessed 2014 June 10.
Govaerts, R. et al. 2014. Trichostema in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2014 June 2. Reference page.
Tropicos.org 2014. Trichostema. Missouri Botanical Garden. Published on the internet. Accessed: 2014 June 2.
International Plant Names Index. 2014. Trichostema. Published online. Accessed: June 2 2014.

Vernacular names
English: Bluecurls

Trichostema is a genus of flowering plants in the family Lamiaceae, which are aromatic herbs or subshrubs. These plants are native to North America.[2][3] Many plant of this genus which have whorls of small blue flowers are called by the common name bluecurls.[4]
Species

Species include:[2]

Trichostema arizonicum A.Gray – Arizona, New Mexico, Texas, Sonora, Chihuahua
Trichostema austromontanum H.F.Lewis – Nevada, California, Baja California
Trichostema brachiatum L. - central and eastern North America
Trichostema dichotomum L. – Bahamas, Quebec, Ontario, eastern and south-central United States
Trichostema lanatum Benth. – California, Baja California
Trichostema lanceolatum Benth. – Washington, Oregon, California, Baja California
Trichostema laxum A.Gray – Oregon, California
Trichostema mexicanum Epling – northeastern Mexico
Trichostema micranthum A.Gray – Arizona, California, Baja California
Trichostema nesophilum K.S. McClell. & Weakley – North Carolina, South Carolina[5]
Trichostema oblongum Benth. – British Columbia, Washington, Oregon, California, Nevada, Idaho
Trichostema ovatum Curran – California
Trichostema parishii Vasey – California, Baja California
Trichostema purpusii Brandegee – central and southern Mexico
Trichostema rubisepalum Elmer – central California
Trichostema ruygtii H.Lewis – northern California (Lake, Napa, Solano Counties)
Trichostema setaceum Houtt. – eastern and south-central United States
Trichostema simulatum Jeps. – Oregon, California
Trichostema suffrutescens Kearney – Florida

References

lectotype designated by N. L. Britton et A. Brown, Ill. Fl. N.U.S. ed. 2. 3: 104 (1913)
Kew World Checklist of Selected Plant Families
Biota of North America Program 2013 county distribution maps
"Trichostema". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 14 December 2015.
Weakley, Alan S.; Schoonover McClelland, R. Kevan; LeBlond, Richard J.; Bradley, Keith A.; Matthews, James F.; Anderson, Chad; Franck, Alan R; Lange, James (2019). "Studies in the Vascular Flora of the Southeastern United States: V" (PDF). Journal of the Botanical Research Institute of Texas. 13 (1): 107–129.