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.
Names and Synonyms
Common Names
- Amur cork-tree
- Chinese cork-tree
- Japanese cork-tree
- northern cork-tree
- phellodendron
- Chinese corktree
- phellodendron-bark
Scientific Names
Accepted name
Phellodendron amurenseSynonyms
- Phellodendron insulare
- Phellodendron amurense var. suberosum
- Phellodendron japonicum
- Phellodendron molle
- Phellodendron nikkomontanum
- Phellodendron piriforme
- Phellodendron lavalleei
- Phellodendron kodamanum
- Phellodendron amurense var. molle
- Phellodendron amurense f. molle
- Phellodendron amurense var. lavalleei
- Phellodendron sachalinense
- Phellodendron amurense f. insulare
- Phellodendron amurense f. suberosum
- Phellodendron sachalinense var. suberosum
- Phellodendron amurense var. sachalinense
- Phellodendron sachalinense f. longipes
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 part | Supporting sources | Consensus |
|---|---|---|
| Fruit | 1 supporting sources | ★☆☆☆☆ |
| Leaf | 1 supporting sources | ★☆☆☆☆ |
| Root | 1 supporting sources | ★☆☆☆☆ |
Fruit
- Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan
Leaf
- Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan
Root
- 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.
| 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
- Dr. Duke
- Molecules (Basel, Switzerland)
- Frontiers in plant science
- Journal of natural medicines
- Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
View 4 additional sources
- Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
- Journal of separation science
- Evidence-based complementary and alternative medicine : eCAM
- The Journal of antimicrobial chemotherapy
Jatrorrhizine
- Dr. Duke
- Molecules (Basel, Switzerland)
- Frontiers in plant science
- Journal of separation science
- Phytomedicine : international journal of phytotherapy and phytopharmacology
View 1 additional sources
- Archives of pharmacal research
Magnoflorine
- Dr. Duke
- Planta medica
- Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
- Molecules (Basel, Switzerland)
- Frontiers in plant science
View 1 additional sources
- Phytomedicine : international journal of phytotherapy and phytopharmacology
Palmatine
- Dr. Duke
- Molecules (Basel, Switzerland)
- Frontiers in plant science
- Journal of separation science
- Phytomedicine : international journal of phytotherapy and phytopharmacology
View 1 additional sources
- The Journal of antimicrobial chemotherapy
Phellodendrine
- Dr. Duke
- Planta medica
- Molecules (Basel, Switzerland)
- Frontiers in plant science
Obaculactone
- Dr. Duke
- Molecules (Basel, Switzerland)
- Evidence-based complementary and alternative medicine : eCAM
Obacunone
- Dr. Duke
- Molecules (Basel, Switzerland)
- Evidence-based complementary and alternative medicine : eCAM
Limonin
- Dr. Duke
- Journal of natural medicines
7-Dehydrostigmasterol
- Dr. Duke
Amurensine
- 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.
| 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
- Dr. Duke
- Molecules (Basel, Switzerland)
- Life (Basel, Switzerland)
Antioxidant
- Dr. Duke
- Frontiers in medicine
- Molecules (Basel, Switzerland)
Antiangiogenic
- Dr. Duke
- Life (Basel, Switzerland)
Antibacterial
- Dr. Duke
- Molecules (Basel, Switzerland)
(+)-Inotropic
- Dr. Duke
ACE-Inhibitor
- Dr. Duke
Abortifacient
- Dr. Duke
Adrenocorticotrophic
- Dr. Duke
Adrenolytic
- Dr. Duke
Aldose-Reductase-Inhibitor
- 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.
| 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
- Alternative therapies in health and medicine
- Journal of the International Society of Sports Nutrition
Anger
- Journal of the International Society of Sports Nutrition
Candida albicans
- The Journal of antimicrobial chemotherapy
Candida glabrata
- The Journal of antimicrobial chemotherapy
Candida parapsilosis
- The Journal of antimicrobial chemotherapy
Confusion
- Journal of the International Society of Sports Nutrition
Depression
- Journal of the International Society of Sports Nutrition
Fatigue
- Journal of the International Society of Sports Nutrition
Abdominal pain
- Journal of ethnopharmacology
Atopic dermatitis
- 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.
| 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
- Archives of pharmacal research
- Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan
Bark
- Planta medica
Diet supplement
- Fish & shellfish immunology
Extracts
- Fitoterapia
Soaked pericarp of p. amurense in distilled water at 4 degrees c
- Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica