Ascoglossum calopterum


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Ascoglossum calopterum
Species Authority: (Rchb.f.) Schlechter

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A4acd; B1ab(ii,iii,v); D ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Assessor(s): Agoo, E.M.G., Cootes, J., Golamco, A., Jr., de Vogel, E.F. & Tiu, D.
Reviewer(s): Agoo, E.M.G., Madulid, D.A., de Vogel, E.F. (Philippine Plants R.L.A.) & Wood, J., Cribb, P.J. (Orchid R.L.A.)
In the Philippines, the species occurs only in Dinagat Island, a small mining island. The species is found in degraded and fragmented habitats. These areas are exposed to human disturbance, i.e., logging, slash-and-burn, and expansion of settlement areas. The species is rare but are sought for by local enthusiasts.

Geographic Range [top]

Range Description: In the Philippines, found in one population in the mountains of Dinagat Island, a small island in Southern Philippines. A rare plant found in coastal forests.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This species is similar to Renanthera and is distinguished from Ascocentrum with the branched inflorescence and four pollinia (Fessel and Balzer 2000).
Systems: Terrestrial

Threats [top]

Major Threat(s): Loss of habitat and over-collection for trade. Utilized as an ornamental plant.

Bibliography [top]

Agoo, E.M.G., Schuiteman, A., and de Vogel, E. 2003. The Flora Malesiana: Orchids of the Philippines. Vol. 1: An Illustrated Checklist and Genera. Expert Center for Taxonomic Identification, Amsterdam.

Cootes, J. 2001. The Orchids of the Philippines. Singapore: Times Editions.

Fessel, F.H. & Balzer, P. 2000. A Selection of Native Philippine Orchids. 2nd edition. Singapore: Times Editions.

IUCN. 2004. 2004 IUCN Red List of Threatened Species. Downloaded on 23 November 2004.

Citation: Agoo, E.M.G., Cootes, J., Golamco, A., Jr., de Vogel, E.F. & Tiu, D. 2004. Ascoglossum calopterum. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 28 March 2015.
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