Zingiber monophyllum


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Zingiber monophyllum
Species Authority: Gagnep.
Taxonomic Notes: Zingiber monophyllum and Z. ellipticum were suspected to be synonymous based on herbarium records, but recent observation of flowering material of Z. monophyllum at Cuc Phuong National Park, confirmed that they are two different species (H.D.Tran pers. obs. 2011).

Assessment Information [top]

Red List Category & Criteria: Endangered B2ab(v) ver 3.1
Year Published: 2012
Date Assessed: 2011-11-02
Assessor(s): Leong-Skornickova, J., Tran, H.D., Newman, M., Lamxay, V. & Bouamanivong, S.
Reviewer(s): Hilton-Taylor, C. & Bilz, M.
Facilitator/Compiler(s): Hilton-Taylor, C.
The area of occupancy is about 75 km², and the species is only known from two locations and there is continuing decline in numbers of mature individuals because of illegal collection. The species is therefore assessed as Endangered under criterion B2. It has already disappeared from one of the known localities.

Geographic Range [top]

Range Description: So far this taxon is recorded only in northern Viet Nam. The habitat at the syntype locality (Kien Khe) has been destroyed by agricultural activity. Recorded from 150 up to 600 m asl. It occurs at two locations with an area of occupancy of 75 km².
Viet Nam
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: A locally common species.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Grows in shady undergrowth of evergreen broadleaved mixed forest.
Systems: Terrestrial

Use and Trade [top]

Use and Trade: The species is illegally collected by visitors to Cuc Phuong National Park; they remove the whole plant to grow it as an ornamental.

Threats [top]

Major Threat(s): Habitat destruction and illegal collection are the main threats to this taxon. The two extant subpopulations are both in protected areas.

Conservation Actions [top]

Conservation Actions: Occurs in Cuc Phuong National Park and Ba Vi National Park.

Citation: Leong-Skornickova, J., Tran, H.D., Newman, M., Lamxay, V. & Bouamanivong, S. 2012. Zingiber monophyllum. The IUCN Red List of Threatened Species. Version 2014.2. <>. Downloaded on 01 September 2014.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please fill in the feedback form so that we can correct or extend the information provided