Tsuga canadensis

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a broad geographical distribution spanning several different regions across the Northern Hemisphere. In Northern Europe, its presence can be noted in countries such as Great Britain and Norway. Moving into Middle Europe, the species is also found within the borders of Germany and Poland. Furthermore, the plant extends its reach across the Atlantic to the continent of North America. Specifically, it can be located within the Eastern Canada region, particularly in New Brunswick.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Tsuga canadensis is characterized by its nature as a perennial organism, ensuring its long-term presence within its ecological niche through repeated growth cycles over many years. As a phanerophyte, its reproductive buds are elevated well above the ground level, a structural adaptation that allows it to thrive in diverse forest environments. This phanerophyte life form is consistent across its development, maintaining a stature that protects its vital growing points from seasonal environmental shifts, thereby supporting its sustained and enduring growth pattern throughout its lifespan.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Tsuga canadensis is characterized by its growth form as a large, woody tree. It is a self-supporting species that does not function as a climber or a liana, and it is an independent organism rather than a parasite. As a terrestrial plant, it does not exhibit aquatic, semiaquatic, or epiphytic tendencies. The stature of the plant is significant, reaching an average height of 26 m, with the potential to achieve a maximum height of up to 30 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

30 m

Plant height mean:

26 m

Woodiness :

woody

Physiology

The physiology of Tsuga canadensis is characterized by a C3 photosynthetic pathway, which is typical for temperate coniferous species operating in shaded or moist environments. As a non-carnivorous organism, the plant relies entirely on its root system and soil nutrient uptake rather than the capture of prey for supplemental nitrogen. Furthermore, its leaf morphology and resource allocation strategy are reflected in a mean Specific Leaf Area (SLA) of 191 cm²/g, indicating a structural adaptation that balances light interception efficiency with the metabolic costs of leaf tissue maintenance.

Carnivory :

non-carnivorous

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

191 cm²/g

Reproduction

The reproduction of Tsuga canadensis is primarily a sexual process, as asexual reproduction is noted to be absent. The flowering cycle begins in May and concludes in June, characterized by an abiotic pollination syndrome that relies on wind for the transfer of pollen. Once fertilization is successful, the plant produces seeds with a highly specific mass profile; the mean seed mass is approximately 0.002537 g, with individual seeds ranging from a minimum of 0.002425 g to a maximum of 0.0033 g. Following maturation, the seeds are distributed via an anemochorous dispersal syndrome, utilizing wind currents to facilitate their movement away from the parent plant.

Dispersal syndrome :

anemochorous

Flowering time :

May

Flowering time :

Jun

Pollination syndrome :

wind

Pollination syndrome :

abiotic

Reproduction asexual :

absent

Seed mass max:

0.0033 g

Seed mass mean:

0.002537 g

Seed mass min:

0.002425 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Tsuga canadensis has 15 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include ALPHA-PHELLANDRENE, Betulin, CADINENE, EO, L-Borneol.

ALPHA-PHELLANDRENE

1. Dr. Duke

Betulin

1. Dr. Duke

CADINENE

1. Dr. Duke

EO

1. Dr. Duke

L-Borneol

1. Dr. Duke

L-Camphene

1. Dr. Duke

L-alpha-Pinene

1. Dr. Duke

L-bornyl acetate

1. Dr. Duke

MYRCENE

1. Dr. Duke

Pinitol

1. Dr. Duke

Activities

Tsuga canadensis has 127 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include 11B-HSD-Inhibitor, 5-Lipoxygenase-Inhibitor, ACE-Inhibitor, Abortifacient, Aldose-Reductase-Inhibitor.

11B-HSD-Inhibitor

1. Dr. Duke

5-Lipoxygenase-Inhibitor

1. Dr. Duke

ACE-Inhibitor

1. Dr. Duke

Abortifacient

1. Dr. Duke

Aldose-Reductase-Inhibitor

1. Dr. Duke

Allelopathic

1. Dr. Duke

Allergenic

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Analgesic

1. Dr. Duke

Anthelmintic

1. Dr. Duke

AntiHIV

1. Dr. Duke