Amur cork-tree

Phellodendron amurense · Accepted scientific name

Scientific literature: Very Extensive (457 studies) · ★★★★★

Amur cork-tree, scientifically known as Phellodendron amurense, is a deciduous tree prized in traditional medicine. Its bitter, yellow inner bark contains alkaloids like berberine, offering potent anti-inflammatory, antibacterial, and digestive benefits. Widely utilized in East Asian therapies, it serves as a vital natural remedy for various systemic ailments.

Family
Rutaceae
Native range
Europe
Parts used
Fruit · Leaf
Common names
Amur Cork-Tree · Chinese Cork-Tree · 5 more
Scientific synonyms
Phellodendron Insulare · Phellodendron Amurense Var. Suberosum · 15 more

Names and Synonyms

Common Names

Scientific Names

Accepted name

Phellodendron amurense

Synonyms

Regional and Traditional Names

Spanish:

  • Phellodendron amurense var. sachalinense
  • Phellodendron japonicum
  • Phellodendron lavalleei
  • Phellodendron sachalinense
  • Phellodendron wilsonii
  • Phellodendron amurense var sachalinense

German:

  • Amur-Korkbaum
  • Amurkorkbaum
  • Amur-Korkbaum

French:

  • arbre liège de Chine
  • arbre à liège de l'Amour
  • phellodendre de l'Amour
  • phellodendron de Sibérie
  • phellodendron de l'Amour

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it falls under the order Sapindales and the family Rutaceae. It is specifically identified by the genus Phelloodendron.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Sapindales
Family Rutaceae
Genus Phellodendron

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution that spans across distinct regions of Eurasia. In Southeastern Europe, its presence is documented within the territories of Bulgaria and Romania. Moving toward the Asian continent, the species is found extensively throughout the Russian Far East. Specifically, it inhabits the Amur and Khabarovsk regions of this vast area. Additionally, the plant can be located as far east as the Kuril Islands.

Region Area
Southeastern Europe Bulgaria
Southeastern Europe Romania
Russian Far East Amur
Russian Far East Khabarovsk
Russian Far East Kuril Is.
Russian Far East Primorye
Russian Far East Sakhalin
Central Asia Tadzhikistan
Central Asia Uzbekistan
China Inner Mongolia

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Phellodendron amurense is characterized by its preference for specific terrain and vegetation structures, primarily thriving within forest ecosystems and mountainous regions. As a component of these woodland environments, the species occupies niches where it can integrate into the complex layers of the forest canopy and understory. Its presence in mountainous habitats suggests an adaptation to varying elevations and the specific microclimates provided by sloped, well-drained terrains. Within these forest settings, the plant interacts with diverse biotic and abiotic factors, relying on the shaded or semi-shaded conditions typical of montane woodlands to support its growth and lifecycle.

Habitat :
forest, mountains

Life history

The life history of Phelloendron amurense is characterized by its status as a perennial species, allowing it to persist in its environment over many successive growing seasons. As a deciduous plant, it undergoes a seasonal cycle where it sheds its foliage annually, typically in response to changing environmental conditions or temperature shifts, before entering a period of dormancy. This lifecycle enables the plant to conserve energy and resources during unfavorable periods, ensuring its long-term survival and continued growth within its ecological niche.

Deciduousness :
deciduous
Lifecycle :
perennial

Morphology

The morphology of Phellodendron amurense is characterized by its robust growth form as a woody tree. This species is classified as an independent organism, functioning neither as a parasite nor as an epiphyte, maintaining a primarily terrestrial existence within its habitat. It exhibits a self-supporting structure, lacking the climbing or vining habits seen in other forest species. In terms of stature, the plant reaches significant dimensions, with a height ranging from a minimum of 10 meters to a maximum of 15 meters.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
tree
Parasite :
independent
Plant height max:
15 m
Plant height min:
10 m
Woodiness :
woody

Physiology

The physiology of Phellodendron amurense is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency. Its vegetative morphology features ovate-shaped leaves with entire margins, lacking any specialized defensive structures such as leaf thorns or leaf spines. Structurally, the plant exhibits a stem specific density (SSD) with a mean value of 449 mg/cm³, reflecting its internal wood density and mechanical properties.

Leaf form :
ovate
Leaf margin :
entire
Leaf spines :
no
Leaf thorns :
no
Photosynthetic pathway :
C3
Stem specific density (SSD) mean:
449 mg/cm³

Reproduction

The reproduction of Phellodendron amurense is characterized by a specific seasonal flowering period and the production of relatively small seeds. The plant typically enters its flowering stage in June and concludes this reproductive phase in July. The seeds produced during this cycle exhibit a range of sizes, with a minimum seed mass recorded at 0.0058 g and a maximum seed mass reaching 0.01582 g. On average, the seed mass for this species is approximately 0.010793 g, reflecting a consistent pattern in its reproductive output.

Flowering time :
Jun
Flowering time :
Jul
Seed mass max:
0.01582 g
Seed mass mean:
0.010793 g
Seed mass min:
0.0058 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Phellodendron amurense has 3 reported plant parts identified across 3 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include fruit, leaf, root.

Plant parts reported in Phellodendron amurense
Plant part Supporting sources Consensus
Fruit 1 supporting sources ★☆☆☆☆
Leaf 1 supporting sources ★☆☆☆☆
Root 1 supporting sources ★☆☆☆☆

Fruit

  1. Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan

Leaf

  1. Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan

Root

  1. Frontiers in plant science

Chemicals

Phellodendron amurense has 45 reported phytochemicals identified across 3 scientific publications and several other databases. The most consistently reported chemicals include berberine, Jatrorrhizine, Magnoflorine, Palmatine, Phellodendrine.

Chemicals reported in Phellodendron amurense
Chemical Supporting sources Consensus
berberine 9 supporting sources ★★★★☆
Jatrorrhizine 6 supporting sources ★★★☆☆
Magnoflorine 6 supporting sources ★★★☆☆
Palmatine 6 supporting sources ★★★☆☆
Phellodendrine 4 supporting sources ★★☆☆☆
Obaculactone 3 supporting sources ★★☆☆☆
Obacunone 3 supporting sources ★★☆☆☆
Limonin 2 supporting sources ★☆☆☆☆
7-Dehydrostigmasterol 1 supporting sources ★☆☆☆☆
Amurensine 1 supporting sources ★☆☆☆☆

berberine

  1. Dr. Duke
  2. Molecules (Basel, Switzerland)
  3. Frontiers in plant science
  4. Journal of natural medicines
  5. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
View 4 additional sources
  1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
  2. Journal of separation science
  3. Evidence-based complementary and alternative medicine : eCAM
  4. The Journal of antimicrobial chemotherapy

Jatrorrhizine

  1. Dr. Duke
  2. Molecules (Basel, Switzerland)
  3. Frontiers in plant science
  4. Journal of separation science
  5. Phytomedicine : international journal of phytotherapy and phytopharmacology
View 1 additional sources
  1. Archives of pharmacal research

Magnoflorine

  1. Dr. Duke
  2. Planta medica
  3. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
  4. Molecules (Basel, Switzerland)
  5. Frontiers in plant science
View 1 additional sources
  1. Phytomedicine : international journal of phytotherapy and phytopharmacology

Palmatine

  1. Dr. Duke
  2. Molecules (Basel, Switzerland)
  3. Frontiers in plant science
  4. Journal of separation science
  5. Phytomedicine : international journal of phytotherapy and phytopharmacology
View 1 additional sources
  1. The Journal of antimicrobial chemotherapy

Phellodendrine

  1. Dr. Duke
  2. Planta medica
  3. Molecules (Basel, Switzerland)
  4. Frontiers in plant science

Obaculactone

  1. Dr. Duke
  2. Molecules (Basel, Switzerland)
  3. Evidence-based complementary and alternative medicine : eCAM

Obacunone

  1. Dr. Duke
  2. Molecules (Basel, Switzerland)
  3. Evidence-based complementary and alternative medicine : eCAM

Limonin

  1. Dr. Duke
  2. Journal of natural medicines

7-Dehydrostigmasterol

  1. Dr. Duke

Amurensine

  1. Dr. Duke

Activities

Phellodendron amurense has 322 reported activities identified across 3 scientific publications and several other databases. The most consistently reported activities include Anticancer, Antioxidant, Antiangiogenic, Antibacterial, (+)-Inotropic.

Activities reported in Phellodendron amurense
Activity Supporting sources Consensus
Anticancer 3 supporting sources ★★☆☆☆
Antioxidant 3 supporting sources ★★☆☆☆
Antiangiogenic 2 supporting sources ★☆☆☆☆
Antibacterial 2 supporting sources ★☆☆☆☆
(+)-Inotropic 1 supporting sources ★☆☆☆☆
ACE-Inhibitor 1 supporting sources ★☆☆☆☆
Abortifacient 1 supporting sources ★☆☆☆☆
Adrenocorticotrophic 1 supporting sources ★☆☆☆☆
Adrenolytic 1 supporting sources ★☆☆☆☆
Aldose-Reductase-Inhibitor 1 supporting sources ★☆☆☆☆

Anticancer

  1. Dr. Duke
  2. Molecules (Basel, Switzerland)
  3. Life (Basel, Switzerland)

Antioxidant

  1. Dr. Duke
  2. Frontiers in medicine
  3. Molecules (Basel, Switzerland)

Antiangiogenic

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

Antibacterial

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

(+)-Inotropic

  1. Dr. Duke

ACE-Inhibitor

  1. Dr. Duke

Abortifacient

  1. Dr. Duke

Adrenocorticotrophic

  1. Dr. Duke

Adrenolytic

  1. Dr. Duke

Aldose-Reductase-Inhibitor

  1. Dr. Duke

Conditions

Phellodendron amurense has 32 reported investigations on conditions identified across 3 scientific publications and several other databases. The most consistently reported conditions include anxiety, Anger, Candida albicans, Candida glabrata, Candida parapsilosis.

Conditions investigated for Phellodendron amurense
Condition Supporting sources Consensus
Anxiety 2 supporting sources ★☆☆☆☆
Anger 1 supporting sources ★☆☆☆☆
Candida albicans 1 supporting sources ★☆☆☆☆
Candida glabrata 1 supporting sources ★☆☆☆☆
Candida parapsilosis 1 supporting sources ★☆☆☆☆
Confusion 1 supporting sources ★☆☆☆☆
Depression 1 supporting sources ★☆☆☆☆
Fatigue 1 supporting sources ★☆☆☆☆
Abdominal pain 1 supporting sources ★☆☆☆☆
Atopic dermatitis 1 supporting sources ★☆☆☆☆

Anxiety

  1. Alternative therapies in health and medicine
  2. Journal of the International Society of Sports Nutrition

Anger

  1. Journal of the International Society of Sports Nutrition

Candida albicans

  1. The Journal of antimicrobial chemotherapy

Candida glabrata

  1. The Journal of antimicrobial chemotherapy

Candida parapsilosis

  1. The Journal of antimicrobial chemotherapy

Confusion

  1. Journal of the International Society of Sports Nutrition

Depression

  1. Journal of the International Society of Sports Nutrition

Fatigue

  1. Journal of the International Society of Sports Nutrition

Abdominal pain

  1. Journal of ethnopharmacology

Atopic dermatitis

  1. Evidence-based complementary and alternative medicine : eCAM

Preparations

Phellodendron amurense has 5 reported preparations identified across 3 scientific publications and several other databases. The most consistently reported preparations include Phellodendri Cortex, bark, diet supplement, extracts, soaked pericarp of P. amurense in distilled water at 4 degrees C.

Preparations reported for Phellodendron amurense
Preparation Supporting sources Consensus
Phellodendri cortex 2 supporting sources ★☆☆☆☆
Bark 1 supporting sources ★☆☆☆☆
Diet supplement 1 supporting sources ★☆☆☆☆
Extracts 1 supporting sources ★☆☆☆☆
Soaked pericarp of p. amurense in distilled water at 4 degrees c 1 supporting sources ★☆☆☆☆

Phellodendri cortex

  1. Archives of pharmacal research
  2. Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan

Bark

  1. Planta medica

Diet supplement

  1. Fish & shellfish immunology

Extracts

  1. Fitoterapia

Soaked pericarp of p. amurense in distilled water at 4 degrees c

  1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica