Taxon: Trichostema dichotomum L.

Genus: Trichostema
Family: Lamiaceae (alt.Labiatae)
  Subfamily: Ajugoideae
Nomen number: 316852
Place of publication: Sp. pl. 2:598. 1753
Name Verified on: 27-Apr-1992 by ARS Systematic Botanists. Last Changed: 29-Oct-2007
Species priority site is: North Central Regional PI Station (NC7)
Accessions: 1 in National Plant Germplasm System (GoogleMap)

Common names:

  • bastard pennyroyal  (Source: F Mich) - English
  • blue-curls  (Source: F WVa) - English
  • forked blue-curls  (Source: F CFla) - English

Distributional Range:


  • Northern America

    • North-Central U.S.A.: United States - Illinois, - Missouri
    • Northeastern U.S.A.: United States - Connecticut, - Indiana, - Maine, - Massachusetts, - Michigan, - New Hampshire, - New Jersey, - Ohio, - Pennsylvania, - Rhode Island, - Vermont, - West Virginia
    • South-Central U.S.A.: United States - Texas
    • Southeastern U.S.A.: United States - Alabama, - Arkansas, - Delaware, - Florida, - Georgia, - Kentucky, - Louisiana, - Maryland, - Mississippi, - North Carolina, - South Carolina, - Tennessee, - Virginia


  • Brown, R. G. & M. L. Brown Herbaceous plants of Maryland. 1984 (HPl Mary)
  • Browne, E. T. & R. Athey Vascular plants of Kentucky: an annotated checklist. 1992 (L Kentucky)
  • Chester, E. W. et al. Atlas of Tennessee vascular plants. 1993-1997 (Atlas Tenn)
  • Clewell, A. F. Guide to the vascular plants of the Florida panhandle. 1985 (F FlaPan)
  • Correll, D. S. & M. C. Johnston Manual of the vascular plants of Texas. 1970 (F Tex)
  • Gleason, H. A. & A. Cronquist Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2. 1991 (Glea Cron ed2)
  • Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow) The vascular flora of Ohio. 1967- (F Ohio)
  • Radford, A. E. et al. Manual of the vascular flora of the Carolinas. 1964 (F Carolin)
  • Smith, E. B. An atlas and annotated list of the vascular plants of Arkansas. 1978 (L Arkansas)
  • Steyermark, J. A. Flora of Missouri. 1977 (F Missouri)
  • Strausbaugh, T. D. & E. L. Core Flora of West Virginia, ed. 2. 1978 (F WVa)
  • University of Texas Herbarium The mints of Texas (on-line resource). 2000- (Mints Texas)
  • Voss, E. Michigan flora. 1972- (F Mich)
  • Wherry, E. T. et al. Atlas of the flora of Pennsylvania. 1979 (Atlas Penn)
  • Wunderlin, R. P. Guide to the vascular plants of central Florida. 1982 (F CFla)

Check other web resources for Trichostema dichotomum L. :


  • Seeds: U.S. National Seed Herbarium image