Chinese flowering ash

Names and Synonyms

Common Names

• Chinese flowering ash
• Siebold ash

Scientific Names

Accepted name

Synonyms

• Fraxinus sieboldiana f. quadrijuga
• Fraxinus mariesii
• Fraxinus tobana
• Fraxinus longicuspis f. lancea
• Fraxinus longicuspis var. sieboldiana
• Fraxinus sieboldiana var. angustata
• Fraxinus longicuspis var. subintegra
• Fraxinus sieboldiana var. barbinervis
• Fraxinus angustata
• Fraxinus sieboldiana f. tobana
• Fraxinus sieboldiana var. subintegra
• Fraxinus sieboldiana var. trijuga
• Fraxinus sieboldiana var. pensanensis
• Fraxinus quadrijuga
• Fraxinus sieboldiana f. latifolia

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 in the family Oleaceae. Finally, it is identified by the genus Fraxinus, specifically as the species Fraxinus sieboldiana.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is native to several distinct regions throughout Eastern Asia. Its natural habitat includes the southeastern portions of China. Additionally, it is widely distributed across the islands of Japan. The species can also be found growing naturally within Korea. Together, these locations define the specific geographical range of Fraxinus sieboldiana.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Fraxinus sieboldiana is characterized by its classification as a phanerophyte, a growth form where the perennating buds are borne on aerial shoots well above the ground. Specifically, it functions as both a phanerophyte and a nanophanerophyte, meaning its survival strategy relies on maintaining woody structures that elevate its regenerative tissues away from the soil surface to withstand seasonal environmental changes. As a perennial woody species, it undergoes a predictable developmental cycle involving the establishment of a robust root system, followed by significant upward vertical growth to form a canopy. Its life cycle is synchronized with seasonal shifts, transitioning through periods of active foliage development and flowering in the warmer months, followed by a period of dormancy where its elevated buds remain protected against cold temperatures, ensuring its continued persistence through successive growing seasons.

Life form :

phanerophyte

Morphology

The morphology of Fraxinus sieboldiana is characterized by its distinct growth form as a tree, standing as a robust and permanent structure within its ecosystem. As a woody species, it develops a firm, lignified stem system that provides necessary structural integrity. It functions as an independent organism, exhibiting no parasitic tendencies toward other plants, and is strictly a terrestrial species rather than an epiphyte. Unlike climbing plants that require external support, this species is entirely self-supporting, maintaining its upright stature through its own rigid woody framework.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Fraxinus sieboldiana is characterized by a metabolic framework defined by a C3 photosynthetic pathway, a trait common among temperate deciduous woody species. In this pathway, carbon dioxide is initially fixed into a three-carbon compound, 3-phosphoglycerate, through the direct action of the enzyme RuBisCO within the mesophyll cells during the Calvin cycle. This metabolic strategy dictates the plant's water-use efficiency and gas exchange dynamics, as the reliance on C3 photosynthesis necessitates regulated stomatal conductance to balance CO2 uptake with transpiration losses. The plant's physiological processes are closely tied to seasonal temperature fluctuations, where the efficiency of its carbon fixation is optimized for the temperate climates in which it thrives. Furthermore, its physiological vigor is supported by robust vascular transport systems that facilitate the movement of water and mineral nutrients from the root system to the foliage, ensuring the continuous supply of substrates required for its C3-driven energy production.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Fraxinus sieboldiana has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem.

Stem

1. Journal of natural products

Chemicals

Fraxinus sieboldiana has 4 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include COMPOUND 6, Compound 5, Glycosides, plantasioside.

COMPOUND 6

1. Journal of natural products

Compound 5

1. Journal of natural products

Glycosides

1. Journal of natural products

plantasioside

1. Journal of natural products

Conditions

Fraxinus sieboldiana has 1 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include coronavirus.

Coronavirus

1. Current pharmaceutical biotechnology

Preparations

Fraxinus sieboldiana has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include ethanolic extract of the stem bark.

Ethanolic extract of the stem bark

1. Journal of natural products