sharp-leaf galangal

Names and Synonyms

Common Names

• sharp-leaf galangal

Scientific Names

Accepted name

Synonyms

• Languas oxyphylla
• Amomum amarum

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. Finally, it is identified by the genus Alpinia, specifically as the species Alpinia oxyphylla.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed across specific regions within East and Southeast Asia. In China, its presence is noted in the South-Central provinces as well as the Southeast regions. It can also be found growing on the tropical island of Hainan. Moving into Southeast Asia, the species extends its range into the Indo-China peninsula. Specifically, Vietnam serves as a key geographical location for this medicinal plant.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Alpinia oxyphylla is characterized by its existence as a perennial organism, allowing it to persist through multiple growing seasons. Its survival strategy is defined by its classification as both a geophyte and a cryptophyte, meaning that its vital organs are protected underground, typically within specialized rhizomes or tubers, to endure unfavorable environmental conditions. This life form enables the plant to remain dormant during periods of stress and re-emerge when conditions become favorable for vegetative growth and reproduction.

Life form :

geophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Alpinia oxyphylla is characterized by its classification as a non-woody herb, lacking any woody structural components. As a terrestrial plant, it grows directly in the soil rather than occupying an epiphytic niche, and it functions as an independent organism without any parasitic tendencies. While its structure is primarily herbaceous, it exhibits a self-supporting climbing habit, meaning it possesses the structural integrity to maintain its upright posture without the need for external support.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Alpinia oxyphylla is characterized by metabolic processes typical of the Zingiberaceae family, involving complex enzymatic activities within its rhizomatous structures to support perennial growth. Its nutrient acquisition strategy relies on the uptake of minerals from the soil through an extensive root system, though it does not possess the symbiotic mechanisms required to function as a nitrogen fixer; specifically, it lacks the ability to convert atmospheric nitrogen into usable forms, meaning its nitrogen fixation status is "no." The plant's energy production is driven by photosynthetic pathways that convert light energy into chemical energy within its foliage, facilitating the synthesis of essential secondary metabolites. These physiological processes are tightly regulated by environmental factors such as moisture availability and soil composition, which influence its overall metabolic rate and the concentration of bioactive compounds synthesized within its tissues.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Alpinia oxyphylla has 5 reported plant parts identified across 20 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include fruit, leaf, root, seed, stem.

Fruit

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
2. Frontiers in aging neuroscience
3. Journal of agricultural and food chemistry
4. Journal of pharmaceutical and biomedical analysis
5. Microbial pathogenesis

Leaf

1. Chemosphere
2. Evidence-based complementary and alternative medicine : eCAM

Root

1. Chemosphere
2. Evidence-based complementary and alternative medicine : eCAM

Seed

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
2. Food research international (Ottawa, Ont.)

Stem

1. Chemosphere

Chemicals

Alpinia oxyphylla has 77 reported phytochemicals identified across 20 scientific publications and several other databases. The most consistently reported chemicals include NOOTKATONE, Flavonoids, P-CYMENE, Yakuchinone B, yakuchinone A.

NOOTKATONE

1. Frontiers in plant science
2. Journal of pharmaceutical and biomedical analysis
3. Food research international (Ottawa, Ont.)
4. Plant physiology and biochemistry : PPB

Flavonoids

1. BMC genomic data
2. Foods (Basel, Switzerland)
3. Evidence-based complementary and alternative medicine : eCAM

P-CYMENE

1. Journal of pharmaceutical and biomedical analysis
2. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Yakuchinone B

1. Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer
2. Frontiers in aging neuroscience

yakuchinone A

1. Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer
2. Frontiers in aging neuroscience

(+)-Nootkatone

1. The New phytologist

(E)-labda-12,14-dien-15(16)-olide-17-oic acid

1. Molecules (Basel, Switzerland)

(R)-oxyphylla A

1. Journal of agricultural and food chemistry

(S)-oxyphylla A

1. Journal of agricultural and food chemistry

2'-Deoxyinosine

1. Drug testing and analysis

Activities

Alpinia oxyphylla has 6 reported activities identified across 20 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Neuroprotective, Anticancer, Antiviral, Chemopreventive.

Antioxidant

1. Pharmaceutical biology
2. International journal of biological macromolecules
3. Foods (Basel, Switzerland)
4. Antioxidants (Basel, Switzerland)

Neuroprotective

1. Foods (Basel, Switzerland)
2. Phytotherapy research : PTR
3. Journal of ethnopharmacology
4. Food research international (Ottawa, Ont.)

Anticancer

1. Pharmaceutical biology
2. Foods (Basel, Switzerland)

Antiviral

1. International journal of biological macromolecules

Chemopreventive

1. Carcinogenesis

Cytotoxic

1. Pharmaceutical biology

Medicinal Uses

Alpinia oxyphylla has 24 reported medicinal uses identified across 20 scientific publications and several other databases. The most consistently reported uses include diarrhea, Alzheimer's disease, cerebrovascular disorders, abdominal pain, dyspepsia.

Most Reported Uses

Preparations