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Brittlestem Hempnettle (Galeopsis tetrahit)

  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Britton, N.L., and A. Brown | An illustrated flora of the northern United States, Canada and the British Possessions. Courtesy of Kentucky Native Plant Society. | License: PD USDA NRCS
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Kristian Peters -- Fabelfroh 14:21, 11 March 2007 (UTC) | photographed by Kristian Peters | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Franz Xaver | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Martin Olsson (mnemo on en/sv wikipedia and commons, martin@minimum.se). | Own work | License: CC-BY-SA-2.5,2.0,1.0 CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Martin Olsson (mnemo on en/sv wikipedia and commons, martin@minimum.se). | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Martin Olsson (mnemo on en/sv wikipedia and commons, martin@minimum.se). | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Martin Olsson (mnemo on en/sv wikipedia and commons, martin@minimum.se). | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Martin Olsson (mnemo on en/sv wikipedia and commons, martin@minimum.se). | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Martin Olsson (mnemo on en/sv wikipedia and commons, martin@minimum.se). | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Johann Georg Sturm (Painter: Jacob Sturm) | Figure from Deutschlands Flora in Abbildungen at http://www.biolib.de | License: PD Old
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Johann Georg Sturm (Painter: Jacob Sturm) | Figure from Deutschlands Flora in Abbildungen at http://www.biolib.de | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Johann Georg Sturm (Painter: Jacob Sturm) | Figure from Deutschlands Flora in Abbildungen at http://www.biolib.de | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Johann Georg Sturm (Painter: Jacob Sturm) | Figure from Deutschlands Flora in Abbildungen at http://www.biolib.de | License: CC-BY-SA-3.0-migrated GFDL
  • Brittlestem Hempnettle (Galeopsis Tetrahit) https://www.sagebud.com/brittlestem-hempnettle-galeopsis-tetrahit/
    Credit: Martin Cilenšek | Scan from Naše škodljive rastl... (1892) | License: PD Old
GATE2.jpg

Galeopsis Tetrahit, or more commonly know as Brittlestem Hempnettle, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Galeopsis. Its duration is annual which means it grows for one season only. Galeopsis Tetrahit or Brittlestem Hempnettle's floral region is North America US Lower 48 and Alaska, specifically in the states of California, Connecticut, Iowa, Idaho, Illinois, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Montana, North Dakota, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Vermont, Washington and Wisconsin.

  • Category: Dicot
  • Genus: Galeopsis
  • Family: Lamiaceae
  • Order: Lamiales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Annual
  • Growth Habit: Forb/herb
  • Native Status: L48 (I) CAN (I) SPM (I)
  • State Noxious Status: AK (NW)
  • State Noxious Common Name: AK (hempnettle)
  • PLANTS Invasive Status: STATE
  • National Wetland Indicator Status: NI
  • Regional Wetland Indicator Status: 9(NI)





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