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
- American germander
- Canada germander
- creeping germander
- hairy germander
- head betony
- wild germander
- germander
- wood-sage
- Wood sage
Scientific Names
Accepted name
Teucrium canadenseRegional 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.
| Chemical | Supporting sources | Consensus |
|---|---|---|
| Teucrioside | 1 supporting sources | ★☆☆☆☆ |
| Verbascoside | 1 supporting sources | ★☆☆☆☆ |
Teucrioside
- Phytochemical analysis : PCA
Verbascoside
- 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.
| Activity | Supporting sources | Consensus |
|---|---|---|
| Hepatotoxic | 2 supporting sources | ★☆☆☆☆ |
Hepatotoxic
- Phytochemical analysis : PCA
- Planta medica