Japanese Galangal

Names and Synonyms

Common Names

• Japanese Galangal

Scientific Names

Accepted name

Synonyms

• Alpinia japonica var. kiushiana
• Alpinia agiokuensis
• Alpinia kiushiana
• Globba japonica
• Languas japonica
• Languas agiokuensis

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 is positioned in the order Zingiberales and the family Zingiberaceae. Finally, its specific taxonomic designation is within the genus Alpinia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed throughout various regions of Eastern Asia. It can be found growing across the islands of Japan and Taiwan. The species is also widely documented throughout the Korean Peninsula. Within China, its presence is noted in both the South-Central and Southeast territories. Together, these locations define the specific natural range of Alpinia japonica.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Alpinia japonica is characterized by its specialized survival strategy as a perennial herb that thrives in moist, shaded forest environments. As a member of the ginger family, its biological cycle is defined by its classification as a cryptophyte, meaning its vital regenerative organs are located underground to protect them from seasonal environmental stresses. Specifically, the plant functions as a geophyte, utilizing underground rhizomes to store nutrients and ensure persistence through dormant periods. This underground structure allows the plant to re-emerge annually, sending up leafy shoots during the favorable growing season to facilitate photosynthesis and reproductive development. Through this rhizomatous growth habit, Alpinia japonica can effectively colonize its habitat, spreading vegetatively while managing its energy reserves to survive unfavorable conditions.

Life form :

geophyte

Life form :

cryptophyte

Morphology

The morphology of Alpinia japonica is characterized by its growth form as a non-woody herb, lacking any woody structure in its stems. As a terrestrial plant, it grows directly in the soil rather than as an epiphyte, and it functions as an independent organism without any parasitic tendencies. In terms of its structural support, it is a self-supporting plant that does not exhibit climbing behavior, such as being an obligatory or facultative climber.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Alpinia japonica 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 rhizome.

Rhizome

1. Fitoterapia

Chemicals

Alpinia japonica has 6 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include 1,8-Cineole, COMPOUND 6, FENCHYL ALCOHOL, Fenchene, Fenchone.

1,8-Cineole

1. Journal of oleo science

COMPOUND 6

1. Fitoterapia

FENCHYL ALCOHOL

1. Journal of oleo science

Fenchene

1. Journal of oleo science

Fenchone

1. Journal of oleo science

camphor

1. Journal of oleo science

Conditions

Alpinia japonica has 3 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include abdominal pain, diarrhea, rheumatism.

Abdominal pain

1. Journal of ethnopharmacology

Diarrhea

1. Journal of ethnopharmacology

Rheumatism

1. Planta medica

Preparations

Alpinia japonica has 3 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include ether extracts, headspace gases, steam distillates.

Ether extracts

1. Journal of oleo science

Headspace gases

1. Journal of oleo science

Steam distillates

1. Journal of oleo science