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Curcuma rhabdota

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA LILIOPSIDA ZINGERBERALES ZINGIBERACEAE

Scientific Name: Curcuma rhabdota
Species Authority: Sirirugsa & M.F.Newman
Common Name/s:
English Candy Cane, Candy Cane Ginger
Taxonomic Notes: This is an easily recognizable taxon without much confusion. But it may hybridize in the wild with other species from Curcuma subgenus Hitcheniopsis when growing sympatrically.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(iii,v) ver 3.1
Year Published: 2012
Date Assessed: 2011-11-01
Assessor/s: Leong-Skornickova, J., Tran, H.D., Newman, M., Lamxay, V. & Bouamanivong, S.
Reviewer/s: Hilton-Taylor, C. & Bilz, M.
Facilitator/s: Hilton-Taylor, C.
Justification:
The area of occupancy for this species is certainly less than 500 km², but it is known from more than five locations (but fewer than ten) and there is continuing decline in the population due to habitat degradation and over-exploitation by flower collectors. From the amounts seen for sale on the markets, it appears that this species is heavily exploited at present, but it is difficult to determine the population reduction. The species is therefore listed as Vulnerable under criterion B2, but further surveys and monitoring is required as this species could well warrant a higher listing.

Geographic Range [top]

Range Description: So far known from eastern Thailand (close to the Lao border), Cambodia and southern Lao PDR. The extent of occurrence is estimated at 44,557 km² and the area of occupancy is certainly less than 500 km². It is known from more than five locations but fewer than ten.
Countries:
Native:
Cambodia; Lao People's Democratic Republic; Thailand
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Locally common but in decline due to over-collection.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Grows in deciduous and semi-deciduous forest, near streams (Maknoi 2006).
Systems: Terrestrial

Threats [top]

Major Threat(s): Habitat degradation through agricultural expansion and over-collection of rhizomes from the wild populations are the two main threats to this species.

Conservation Actions [top]

Conservation Actions: In Lao PDR it is known to occur in Phou Xiang Thong National Protected Area.
Citation: Leong-Skornickova, J., Tran, H.D., Newman, M., Lamxay, V. & Bouamanivong, S. 2012. Curcuma rhabdota. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 19 April 2014.
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