American red oak

Names and Synonyms

Common Names

• northern red oak
• red oak
• champion oak

Scientific Names

Accepted name

Synonyms

• Erythrobalanus rubra
• Quercus coccinea var. ambigua
• Quercus borealis f. flabellata
• Quercus borealis var. maxima
• Quercus maxima
• Quercus rubra var. latifolia
• Quercus rubra var. ramosissima
• Quercus rubra f. obovata
• Quercus rubra var. subserrata
• Quercus rubra var. maxima
• Quercus rubra var. latepinnatifida
• Quercus sada
• Quercus borealis
• Quercus borealis var. flabellata
• Quercus angulizana
• Quercus rubra f. houbae
• Quercus rubra f. juvenilis
• Quercus rubra var. pendula
• Quercus rubra var. ambigua
• Quercus rubra var. borealis
• Quercus rubra var. hispanica

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, placing it within the class Equisetopsida and subclass Magnoliidae. It is further classified under the order Fagales and the family Fagaceae. Finally, its taxonomic identity is defined by its placement within the genus Quercus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known scientifically as Quercus rubra, exhibits a specific distribution pattern across the northern reaches of the European continent. In Northern Europe, its presence can be documented within the borders of Denmark. It also maintains a geographical foothold throughout Great Britain and Ireland. Furthermore, the species is found extending into the Scandinavian regions of Norway. Finally, its range continues through the forested landscapes of Sweden.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Quercus rubra is characterized by its preference for lowland environments, where it establishes itself within diverse forest ecosystems. It typically thrives in well-drained, fertile soils ranging from sandy to loamy textures, often occupying sites with moderate moisture availability. As a pioneer or early-successional species in many contexts, it plays a vital role in forest development, often outcompeting other species in open areas before transitioning into more stable, climax community structures. Its distribution is heavily influenced by its ability to tolerate varying light intensities, though it demonstrates optimal growth in areas with sufficient sunlight and nutrient-rich lowland substrates.

Habitat :

Lowland

Life history

The life history of Quercus rubra is characterized by its classification as a perennial organism, ensuring its long-term presence within its ecological niche through multiple growing seasons. As a phanerophyte, its primary reproductive and vegetative structures are elevated well above the ground on woody stems, a trait shared across its developmental stages as a phanerophyte. The plant exhibits a deciduous nature, meaning it undergoes a seasonal cycle of shedding its foliage, which plays a critical role in its physiological adaptation to varying environmental conditions and temperature fluctuations.

Deciduousness :

deciduous

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Quercus rubra is characterized by its robust growth form as a woody tree. It is a terrestrial species that functions as an independent organism, neither acting as a parasite nor an epiphyte. As a self-supporting structure rather than a climber, liana, or vine, the plant reaches significant dimensions, typically manifesting a plant height ranging from a minimum of 10 m to a maximum of 25 m, with a mean height of approximately 24.997 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

25 m

Plant height mean:

24.9966666666667 m

Plant height min:

10 m

Woodiness :

woody

Physiology

The physiology of Quercus rubra is characterized by a C3 photosynthetic pathway, a common trait among temperate deciduous trees that optimizes carbon fixation in moderate climates. The plant is strictly non-carnivorous, relying on soil-based nutrient uptake rather than capturing prey. Its leaf morphology reflects specific resource allocation strategies, with a mean leaf size of 50.849 cm² and a mean leaf width of 11 cm, a value that also represents both the minimum and maximum width recorded. The leaf length reaches a maximum of 21 cm, contributing to a specialized leaf architecture. Furthermore, the plant exhibits a mean Specific Leaf Area (SLA) of 138.9 cm²/g, providing insight into its leaf thickness and the efficiency of its light-harvesting surfaces relative to its biomass.

Carnivory :

non-carnivorous

Leaf length max:

21 cm

Leaf size mean:

50.849 cm²

Leaf width mean:

11 cm

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

138.9 cm²/g

Reproduction

The reproduction of Quercus rubra is characterized by a sexual process, as asexual reproduction is absent. The flowering period is relatively concentrated, typically starting and ending in May. This species relies on abiotic pollination, specifically utilizing a wind-based pollination syndrome to facilitate fertilization; notably, self-fertilization is absent, ensuring genetic diversity through cross-pollination. The resulting fruit is classified as an achene, which is indehiscent in nature. These fruits have an average length of 2.3 cm. The seeds produced exhibit significant variation in mass, ranging from a minimum of 2.232 g to a maximum of 4.2 g, with a calculated mean seed mass of approximately 3.364881945 g. Dispersal of the seeds is primarily achieved through zoochorous mechanisms, involving animals, though it is also noted to be subject to anthropochorous dispersal via human activity.

Dehiscence :

indehiscent

Dispersal syndrome :

zoochorous

Dispersal syndrome :

anthropochorous

Flowering time :

May

Fruit length mean:

2.3 cm

Fruit type :

achene

Pollination syndrome :

wind

Pollination syndrome :

abiotic

Reproduction asexual :

absent

Seed mass max:

4.2 g

Seed mass mean:

3.364881945 g

Seed mass min:

2.232 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Quercus rubra has 65 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Tannin, 2,6-Dimethoxybenzoquinone, ALUMINUM, ANTIMONY, ARSENIC.

Tannin

1. Dr. Duke
2. Plants (Basel, Switzerland)

2,6-Dimethoxybenzoquinone

1. Dr. Duke

ALUMINUM

1. Dr. Duke

ANTIMONY

1. Dr. Duke

ARSENIC

1. Dr. Duke

Ash

1. Dr. Duke

BARIUM

1. Dr. Duke

BORON

1. Dr. Duke

BROMINE

1. Dr. Duke

CADMIUM

1. Dr. Duke

Activities

Quercus rubra has 349 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Astringent, ACE-Inhibitor, AP-1-Inhibitor, ATPase-Inhibitor.

Antioxidant

1. Dr. Duke
2. Plants (Basel, Switzerland)

Astringent

1. Dr. Duke
2. Journal of ethnobiology and ethnomedicine

ACE-Inhibitor

1. Dr. Duke

AP-1-Inhibitor

1. Dr. Duke

ATPase-Inhibitor

1. Dr. Duke

Abortifacient

1. Dr. Duke

Acarifuge

1. Dr. Duke

Acnegenic

1. Dr. Duke

Aldose-Reductase-Inhibitor

1. Dr. Duke

Allelochemic

1. Dr. Duke

Preparations

Quercus rubra has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include astringent.

Astringent

1. Journal of ethnobiology and ethnomedicine