Canada germander

Teucrium canadense · Accepted scientific name

Scientific literature: Very Sparse (4 studies) · ★☆☆☆☆

Canada germander, scientifically known as Teucrium canadense, is a perennial herb native to North America. Belonging to the Lamiaceae family, it features distinctive white flowers and serrated leaves. Historically used in traditional medicine for its various healing properties, this resilient plant thrives in moist soils and sunny habitats.

Family
Lamiaceae
Native range
Europe
Parts used
Not available
Common names
American Germander · Canada Germander · 7 more
Scientific synonyms
Not available

Names and Synonyms

Common Names

Scientific Names

Accepted name

Teucrium canadense

Regional and Traditional Names

French:

  • germandrée du Canada

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Lamiales and the family Lamiaceae, it is classified under the genus Teucrium. Specifically, Teucrium canadense represents a distinct species within this botanical lineage.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Lamiales
Family Lamiaceae
Genus Teucrium

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical range spanning across both Europe and North America. In Middle Europe, its presence is notably documented in Germany. Moving across the Atlantic, the species is widely distributed throughout several regions of Canada. Within Western Canada, it can be found in the provinces of British Columbia, Manitoba, and Saskatchewan. Additionally, its distribution extends into Eastern Canada, specifically within the province of Ontario.

Region Area
Middle Europe Germany
Western Canada British Columbia
Western Canada Manitoba
Western Canada Saskatchewan
Eastern Canada Ontario
Eastern Canada Québec
Northwestern U.S.A. Colorado
Northwestern U.S.A. Montana
Northwestern U.S.A. Oregon
Northwestern U.S.A. Washington

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Teucrium canadense is characterized by a variable lifecycle, as the species can function as an annual, a biennial, or a perennial depending on environmental conditions and local ecological factors. Throughout its development, the plant progresses through distinct stages of germination, vegetative growth, and reproductive maturity. As a perennial, it may establish a persistent root system that allows for regrowth in subsequent seasons, whereas in its annual or biennial phases, the life cycle is driven by a single or dual-year progression toward seed production and eventual senescence. The timing of its flowering and seed dispersal is closely integrated with seasonal shifts, ensuring that the variable reproductive strategies maximize its ability to colonize diverse habitats.

Lifecycle :
annual

Morphology

The morphology of Teucrium canadense is characterized by its growth form as a non-woody herb and specifically a forb. It is a self-supporting plant that does not exhibit climbing behavior, such as a vine or liana, and functions as an independent organism rather than a parasite. As a terrestrial species, it does not occupy aquatic or epiphytic niches. In terms of stature, the plant typically reaches a mean height of approximately 1 meter.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
herb
Growth form :
forb
Parasite :
independent
Plant height mean:
1 m
Woodiness :
non-woody

Reproduction

The reproduction of Teucrium canadense is characterized by a specific seasonal flowering window and the production of minute seeds. The flowering period typically begins in June and continues through August, providing a critical window for pollination and subsequent seed development. The resulting seeds are exceptionally small, with a mean mass of approximately 0.0013475 g. Within the population, seed size exhibits subtle variations, with individual seed masses ranging from a minimum of 0.0007 g (7e-04 g) to a maximum of 0.00175 g.

Flowering time :
Jun
Flowering time :
Aug
Seed mass max:
0.00175 g
Seed mass mean:
0.0013475 g
Seed mass min:
7e-04 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Teucrium canadense has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Teucrioside, Verbascoside.

Chemicals reported in Teucrium canadense
Chemical Supporting sources Consensus
Teucrioside 1 supporting sources ★☆☆☆☆
Verbascoside 1 supporting sources ★☆☆☆☆

Teucrioside

  1. Phytochemical analysis : PCA

Verbascoside

  1. Phytochemical analysis : PCA

Activities

Teucrium canadense has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Hepatotoxic.

Activities reported in Teucrium canadense
Activity Supporting sources Consensus
Hepatotoxic 2 supporting sources ★☆☆☆☆

Hepatotoxic

  1. Phytochemical analysis : PCA
  2. Planta medica