Fraxinus mandschurica

Names and Synonyms

Common Names

• Fraxinus mandschurica
• Manchurian Ash
• Japanese ash

Scientific Names

Accepted name

Synonyms

• Fraxinus mandshurica subsp. brevipedicellata
• Fraxinus mandshurica var. japonica
• Fraxinus excelsissima
• Fraxinus nigra var. mandshurica
• Fraxinus nigra subsp. mandshurica
• Fraxinus excelsa
• Fraxinus elatior

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Lamiales, it is classified under the family Oleaceae and the genus Fraxinus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is naturally distributed across several key regions within the Russian Far East. It can be found growing in the Amur region, where it establishes itself in local ecosystems. Its range extends further into the Khabarovsk territory and throughout the Primorye area. Additionally, the species inhabits the islands of the Kuril archipelago. Finally, its geographical presence is also confirmed on the island of Sakhalin.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Fraxinus mandshurica is characterized by its specialized adaptation to riparian environments, where it plays a fundamental role in stabilizing watercourse margins. This species is primarily found inhabiting rivers, specifically occupying the moist, alluvial soils of riverbanks and floodplains. Due to its preference for these hydric or mesic conditions, it thrives in areas subject to periodic inundation, allowing it to tolerate fluctuating water tables and seasonal flooding. The presence of Fraxinus mandshurica in these riverine habitats contributes to the structural integrity of the ecosystem by mitigating soil erosion and providing complex microhabitats for diverse aquatic and terrestrial biota.

Habitat :

rivers

Life history

The life history of Fraxinus mandshurica is characterized by its status as a perennial organism, ensuring its survival across multiple growing seasons. As a phanerophyte, its regenerative buds are located high above the ground on woody branches, a structural adaptation that allows it to dominate forest canopies. The plant exhibits a deciduous nature, meaning it sheds its foliage annually in response to seasonal changes, typically losing its leaves during the colder months to conserve moisture and energy. This combination of a long-lived perennial lifecycle, a phanerophyte life form, and deciduous seasonal patterns defines its ecological strategy and presence within its natural habitat.

Deciduousness :

deciduous

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Fraxinus mandshurica is characterized by its stature as a large, self-supporting tree that exhibits a woody growth form. Reaching a maximum plant height of approximately 30 m, this species functions as an independent organism rather than a parasite or epiphyte, maintaining a strictly terrestrial life habit. Unlike climbers or lianas, it possesses a robust, self-supporting structure that allows it to thrive in its specific ecological niche, remaining entirely non-aquatic or semiaquatic in its typical developmental state.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

30 m

Woodiness :

woody

Physiology

The physiology of Fraxinus mandshurica is characterized by a C3 photosynthetic pathway, a metabolic strategy typical of most temperate deciduous trees that optimizes carbon fixation under moderate light and temperature conditions. The vegetative morphology includes elliptic-shaped leaves that feature distinct toothed margins, facilitating efficient gas exchange and transpiration. To ensure structural integrity and support its growth habit, the plant exhibits a stem specific density (SSD) with a mean value of 686 mg/cm³. Furthermore, the plant's leaf architecture is smooth in terms of defensive structures, as it possesses no leaf thorns and no leaf spines.

Leaf form :

elliptic

Leaf margin :

toothed

Leaf spines :

no

Leaf thorns :

no

Photosynthetic pathway :

C3

Stem specific density (SSD) mean:

686 mg/cm³

Reproduction

The reproduction of Fraxinus mandshurica is characterized by a specific phenological window and distinct seed morphological traits. The flowering period for this species is concentrated in the spring, with the flowering stage typically starting and ending in April. The resulting seeds exhibit a measurable variation in mass, with a recorded mean seed mass of approximately 0.0848 g. Individual seed weights fluctuate within a specific range, reaching a minimum mass of 0.04444 g and a maximum mass of 0.132 g.

Flowering time :

Apr

Seed mass max:

0.132 g

Seed mass mean:

0.0848333333333333 g

Seed mass min:

0.04444 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Fraxinus mandshurica 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 leaf, root, stem.

Leaf

1. Biomedical chromatography : BMC

Root

1. Biomedical chromatography : BMC

Stem

1. Biomedical chromatography : BMC

Chemicals

Fraxinus mandshurica has 4 reported phytochemicals identified across 3 scientific publications and several other databases. The most consistently reported chemicals include Calceolarioside A, Cichoriin, Fraxinol, Secoiridoids.

Calceolarioside A

1. Bioengineered

Cichoriin

1. Fitoterapia

Fraxinol

1. Fitoterapia

Secoiridoids

1. Biomedical chromatography : BMC

Activities

Fraxinus mandshurica has 1 reported activities identified across 3 scientific publications and several other databases. The most consistently reported activities include Immunosuppressant.

Immunosuppressant

1. Bioengineered

Conditions

Fraxinus mandshurica has 4 reported investigations on conditions identified across 3 scientific publications and several other databases. The most consistently reported conditions include Alzheimer's disease, chronic bronchitis, heat, psoriasis.

Alzheimer's disease

1. Fitoterapia

Chronic bronchitis

1. Biomedical chromatography : BMC

Heat

1. Fitoterapia

Psoriasis

1. Biomedical chromatography : BMC

Preparations

Fraxinus mandshurica has 1 reported preparations identified across 3 scientific publications and several other databases. The most consistently reported preparations include bark.

Bark

1. Fitoterapia