Japanese barberry

Names and Synonyms

Common Names

• Japanese barberry
• Thunberg's Barberry
• Japanese berberis

Scientific Names

Accepted name

Synonyms

• Berberis thunbergii f. minor
• Berberis thunbergii f. atropurpurea
• Berberis thunbergii var. argenteomarginata
• Berberis thunbergii var. pluriflora
• Berberis thunbergii var. atropurpurea
• Berberis thunbergii f. grandiflora
• Berberis thunbergii f. erecta
• Berberis thunbergii f. microcarpa
• Berberis thunbergii var. erecta
• Berberis thunbergii f. obovata
• Berberis thunbergii var. maximowiczii
• Berberis thunbergii f. trispinosa
• Berberis thunbergii var. minor
• Berberis thunbergii f. pluriflora
• Berberis thunbergii var. rubrifolia
• Berberis thunbergii var. uniflora
• Berberis maximowiczii

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it falls under the order Ranunculales and the family Berberidaceae. Finally, it is identified by the genus Berberis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution across several regions in Northern Europe. It can be found growing within the borders of Denmark and Finland. Additionally, its presence extends to the islands of Great Britain and Ireland. The species is also documented to inhabit the landscapes of Norway. Together, these locations define its primary range throughout the northern part of the continent.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Berberis thunbergii is characterized by its status as a perennial species, allowing it to persist in its environment through multiple growing seasons. As a phanerophyte, specifically categorized under the classifications of both phanerophyte and nanophanerophyte, its reproductive buds are elevated above the ground level, typically on woody stems or branches. This life form enables the plant to maintain a stable structural presence, utilizing its perennial nature to establish long-term dominance in its habitat.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Berberis thunbergii is characterized by a woody growth form, specifically classified as a shrub. It is a terrestrial, independent plant that does not function as a parasite or an epiphyte, and it is strictly self-supporting rather than acting as a climber, liana, or vine. In terms of stature, the plant exhibits significant variation in size, with a minimum height of 1 meter, a mean height of 1.8 meters, and a maximum height reaching up to 4 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

4 m

Plant height mean:

1.8 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Berberis thunbergii is characterized by a C3 photosynthetic pathway, which governs its carbon fixation processes and energy production. As a non-carnivorous organism, the plant relies entirely on autotrophic nutrition through soil nutrient uptake and light absorption rather than capturing prey. Its leaf morphology exhibits specific dimensional constraints, with leaf lengths ranging from a minimum of 0.5 cm to a maximum of 0.7 cm. Furthermore, the leaf width is relatively narrow, measuring between a minimum of 0.1 cm and a maximum of 0.2 cm, defining its structural adaptation for gas exchange and light interception.

Carnivory :

non-carnivorous

Leaf length max:

0.7 cm

Leaf length min:

0.5 cm

Leaf width max:

0.2 cm

Leaf width min:

0.1 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Berberis thuunbergii is characterized by a flowering period that begins in December and extends through June, though the exact timing can be variable depending on environmental conditions. The plant produces fruit classified as a berry, which is indehiscent, meaning it does not split open at maturity to release its contents. These fruits facilitate seed dispersal through a zoochorous syndrome, relying on animals to aid in the movement of seeds. The seeds themselves are quite small, with a mean mass of approximately 0.0169225 g, ranging from a minimum of 0.0156 g to a maximum of 0.0205 g.

Dehiscence :

indehiscent

Dispersal syndrome :

zoochorous

Flowering time :

Dec

Flowering time :

Jun

Fruit type :

berry

Seed mass max:

0.0205 g

Seed mass mean:

0.0169225 g

Seed mass min:

0.0156 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Berberis thunbergii has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include BERBAMINE, SANGUINARINE.

BERBAMINE

1. Plants (Basel, Switzerland)

SANGUINARINE

1. Toxins