Alpinia roxburghii

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Languas blepharocalyx
• Languas blepharocalyx var. glabrior
• Alpinia blepharocalyx
• Alpinia blepharocalyx var. glabrior

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Alpinia roxburghii, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified under the class Equisetopsida and the subclass Magnoliidae, falling within the order Zingiberales. Finally, it is a member of the Zingiberaceae family and the genus Alpinia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical range across several key regions in Asia. Within China, its distribution spans across the South-Central and Southeast territories. Moving toward the Indian Subcontinent, it is commonly found in the state of Assam. The species also inhabits the country of Bangladesh, contributing to its regional presence. Finally, its range extends into the mountainous terrain of the East Himalaya.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Alpinia roxburghii is defined by its preference for specific montane environments, where it thrives within a distinct altitudinal gradient. This species is typically found inhabiting mid-to-high altitude zones, maintaining a specialized distribution that spans an elevational range from a minimum of 1250 m AMSL to a maximum of 2300 m AMSL. Within this vertical niche, the plant is adapted to the unique microclimates and moisture regimes characteristic of these subtropical or temperate mountain ecosystems, which influence its growth patterns and seasonal availability.

Elevational range max:

2300 m AMSL

Elevational range min:

1250 m AMSL

Life history

The life history of Alpinia roxburghii is characterized by its classification as a geophyte, a life form that relies on underground storage organs to survive unfavorable environmental conditions. As a perennial herb, it maintains its presence in its natural habitat through rhizomatous structures that remain dormant during periods of stress, allowing for rapid regeneration when conditions become optimal. This survival strategy ensures that the plant can persist across multiple seasons, periodically sending up leafy shoots and inflorescences from its subterranean base. The developmental cycle involves a vegetative growth phase driven by the nutrient reserves stored within the rhizome, followed by a reproductive phase where it produces flowers and seeds to facilitate dispersal. This cyclical pattern of underground dormancy and seasonal emergence is fundamental to its ecological resilience and its ability to thrive in specific forest understories or moist environments.

Life form :

geophyte

Morphology

The morphology of Alpinia roxburghii is characterized by its growth habit as a non-woody, herbaceous plant that lacks any woody tissue. It functions as a terrestrial species, growing directly in the soil rather than as an epiphyte, and it maintains a self-supporting structure without the need for external climbing supports, as it is neither an obligatory nor a facultative climber. Furthermore, the plant is entirely independent in its growth processes, exhibiting no parasitic behavior.

Climber :

self-supporting

Epiphyte :

terrestrial

Parasite :

independent

Woodiness :

non-woody

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Alpinia roxburghii has 2 reported plant parts identified across 4 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include seed, rhizome.

Seed

1. Journal of natural products
2. Organic letters
3. Biological & pharmaceutical bulletin

Rhizome

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

Chemicals

Alpinia roxburghii has 11 reported phytochemicals identified across 4 scientific publications and several other databases. The most consistently reported chemicals include epicalyxin F, 1,7-bis(4-hydroxyphenyl)-3-hydroxy-1,3-heptadien-5-one, 6-Hydroxycalyxin F, Blepharocalyxin B, Epicalyxin J.

epicalyxin F

1. Organic letters
2. Biological & pharmaceutical bulletin

1,7-bis(4-hydroxyphenyl)-3-hydroxy-1,3-heptadien-5-one

1. Journal of natural products

6-Hydroxycalyxin F

1. Biological & pharmaceutical bulletin

Blepharocalyxin B

1. Biological & pharmaceutical bulletin

Epicalyxin J

1. Biological & pharmaceutical bulletin

beta-Sitosterol glucoside

1. Biological & pharmaceutical bulletin

calyxin B

1. Biological & pharmaceutical bulletin

calyxin I

1. Organic letters

calyxin J

1. Biological & pharmaceutical bulletin

calyxin K

1. Biological & pharmaceutical bulletin

Activities

Alpinia roxburghii has 2 reported activities identified across 4 scientific publications and several other databases. The most consistently reported activities include Antiplatelet, Antiproliferative.

Antiplatelet

1. Journal of natural products

Antiproliferative

1. Organic letters

Preparations

Alpinia roxburghii has 3 reported preparations identified across 4 scientific publications and several other databases. The most consistently reported preparations include 95% EtOH extract, EtOH extract, EtOH extract of the seeds of Alpinia blepharocalyx.

95% etoh extract

1. Biological & pharmaceutical bulletin

Etoh extract

1. Organic letters

Etoh extract of the seeds of alpinia blepharocalyx

1. Journal of natural products