Hainan Galangal

Names and Synonyms

Common Names

• Hainan Galangal
• Katsumada Galangal

Scientific Names

Accepted name

Synonyms

• Alpinia kainantensis
• Alpinia katsumadae
• Alpinia henryi
• Alpinia henryi var. densihispida
• Languas hainanensis
• Languas katsumadae
• Languas henryi

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 Zingiberales, it is classified under the family Zingiberaceae. It is specifically identified by the genus Alpinia, with its species designation being Alpinia hainanensis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution concentrated within certain tropical and subtropical regions. In China, its presence is notably documented on the island of Hainan. Furthermore, the species can be found throughout the broader Southeast China region. Its range extends beyond Chinese borders into the Indo-China peninsula. Specifically, this medicinal plant is also known to grow within the natural habitats of Vietnam.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Alpinia hainanenensis is characterized by its survival strategy as a cryptophyte, specifically functioning as a geophyte. This means that during unfavorable environmental conditions, the plant's vital organs are protected underground, allowing it to persist through seasonal changes. As a geophyte, it relies on specialized underground storage organs, such as rhizomes, to store nutrients and energy, which facilitates rapid regrowth when favorable growing conditions return. This life form ensures that the plant can withstand periods of dormancy while maintaining a resilient biological presence within its ecological niche.

Life form :

geophyte

Life form :

cryptophyte

Morphology

The morphology of Alpinia hainanenensis is characterized by its growth habit as a terrestrial plant, functioning as an independent organism that does not rely on a host for nutrients. Unlike climbing species, it is not a climber, as it lacks the mechanisms to be an obligatory, facultative, or self-supporting vine; instead, it maintains its structure through its own upright or spreading growth. Furthermore, it does not exhibit epiphytic behavior, existing strictly as a terrestrial species rather than growing upon other plants.

Climber :

self-supporting

Epiphyte :

terrestrial

Parasite :

independent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Alpinia hainanensis has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include fruit, seed.

Fruit

1. Food chemistry

Seed

1. Food chemistry

Chemicals

Alpinia hainanensis has 1 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Volatile oil.

Volatile oil

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Preparations

Alpinia hainanensis has 1 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include volatile oil.

Volatile oil

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials