Lamiaceae - mint family
Species that grow without cultivation on Mount Desert Island

compiled by the
Champlain Project - P. O. Box 55 - Bass Harbor, Maine  04653

(updated 13 August 2018)

Lamiaceae - mint family

Mount Desert Island is home to 11 species in 9 genera. Click on a link below or scroll down for more information.
   Galeopsis (1 species)
      Galeopsis tetrahit - brittle-stemmed hemp-nettle (occasional [see note 1 at bottom of page])
   Glechoma (1 species)
      Glechoma hederacea - Gill-over-the-ground (?)
   Lycopus (2 species)
      Lycopus americanus - American water-horehound (occasional)
      Lycopus uniflorus - northern water-horehound (occasional)
   Mentha (1 species)
      Mentha arvensis - ginger mint (occasional)
   Prunella (1 species)
      Prunella vulgaris - common selfheal (occasional)
   Scutellaria (2 species)
      Scutellaria galericulata - hooded skullcap (common)
      Scutellaria lateriflora - mad dog skullcap (occasional)
   Stachys (1 species)
      Stachys palustris - marsh hedge-nettle (uncommon)
   Teucrium (1 species)
      Teucrium canadense - American germander (uncommon)
   Thymus (1 species)
      Thymus pulegioides - lemon thyme (uncommon)

red font = unique character states
(or nearly so)
habitat plant height stem pubescence leaf margin leaf length flower length petal color
Galeopsis fields, disturbed sites 20–75 cm bristly coarsely toothed 3–10 cm 15–24 mm magenta
Glechoma ? ? ? ? ? ? ?
Lycopus wetlands 10–100 cm variably pubescent to glabrous variably toothed 2–11 cm very small white
Mentha wetlands 10–80 cm variably pubescent toothed 1.8–8 cm [?] pink, purple, white
Prunella [?] 10–60 cm variably pubescent toothed 1.8–8 cm [?] blue, purple
Scutellaria sea beaches, wet thickets 10–100 cm with curving hairs toothed to coarsely toothed 2–8 cm 5–22 mm light blue, blue, purple
Stachys disturbed sites, wet meadows 20–100 cm long, downward curving, stiff hairs wavy 3.5–9 cm 11–16 mm magenta with some white
Teucrium beach heads, wet meadows 20–100 cm pubescent toothed 5–12 cm 10–20 mm pink-purple
Thymus lawns and meadows 20–100 cm pubescent on angles entire 5–10 [mm ?] [?] pink

Galeopsis (hemp-nettle)
[information to be added]

Galeopsis tetrahit (brittle-stemmed hemp-nettle) - [information to be added]

Glechoma (Gill-over-the-ground)
[information to be added]

Glechoma hederacea (Gill-over-the-ground) - [information to be added]

(click on image to enlarge)

Lycopus (water-horehound)
[information to be added]

Lycopus americanus (American water-horehound) - [information to be added]

(click on image to enlarge)

Lycopus uniflorus (northern water-horehound) - [information to be added]
(click on an image to enlarge)

Mentha (mint)
[information to be added]

Mentha arvensis (ginger mint) - [information to be added]

Prunella (selfheal)
[information to be added]

Prunella vulgaris (common selfheal) - [information to be added]

(click on image to enlarge)

Scutellaria (skullcap)
[information to be added]

habitat flower length petal color
Scutellaria galericulata sea beaches, wet thickets 15–22 mm blue to purple
Scutellaria lateriflora wet thickets 5–9 mm light blue

Scutellaria galericulata (hooded skullcap) - [information to be added]

Scutellaria lateriflora (mad dog skullcap) - [information to be added]

Stachys (hedge-nettle)
[information to be added]

Stachys palustris (marsh hedge-nettle) - [information to be added]

Teucrium (germander)
[information to be added]

Teucrium canadense (American germander) - [information to be added]

Thymus (thyme)
[information to be added]

Thymus pulegioides (lemon thyme) - [information to be added]

   1. Frequency designations are from the paper “Vascular flora of the Acadia National Park region, Maine” by Craig W. Greene, Linda L. Gregory, Glen H. Mittelhauser, Sally C. Rooney, and Jill E. Weber, published in the spring 2005 issue (vol. 107, No. 930) of Rhodora: Journal of the New England Botanical Club.