Taxonomy
Red List Status -
Data Deficient (DD) , assessed in 12/10/2015Protected species -
in Northern Province
Medicosma congesta is a narrow endemic shrub of Grande Terre in New Caledonia. This species is insufficiently known. It could be composed by two sub-populations (Paéoua, Boulinda). It is found in shrubland and remanant forest on an ultramafic substrate which are areas threatened by mining operations. This taxon is insufficiently collected and not well known. Medicosma congesta is therefore assessed as Data Deficient (DD) for taxonomic and provenance reasons.
Geographical area
Medicosma congesta is a narrow endemic shrub of Grande Terre in New Caledonia. It could be composed by two sub-populations (Paéoua, Boulinda).
Population
Population size is unknown.
Habitat
Medicosma congesta is found in shrubland or forest on an ultramafic substrate around 900 m asl.
Threats
The main threat is presented by past mining developpment in Paéoua and Boulinda.
Conservation
The genus Medicosma should be taxonomically clarified in order to be able to assess the extinction risks of this species.
Bibliography
L'Huillier L.; Jaffré T. and Wulff A. 2010. Mines et Environnement en Nouvelle-Calédonie : les milieux sur substrats ultramafiques et leur restauration.
Wulff AS, Hollingsworth PM, Ahrends A, Jaffré T, Veillon J-M, L’Huillier L, et al. 2013. Conservation Priorities in a Biodiversity Hotspot: Analysis of Narrow Endemic Plant Species in New Caledonia.
Endemia.nc 2016. Faune et Flore de Nouvelle-Calédonie.
Morat, P.; Jaffré, T.; Tronchet, F.; Munzinger, J.; Pillon, Y.; Veillon, J.-M. and Chalopin, M. 2012. Le référentiel taxonomique Florical et les caractéristiques de la flore vasculaire indigène de la Nouvelle-Calédonie [The taxonomic database « FLORICAL » and characteristics of the indigenous flora of New Caledonia]. Adansonia sér 3(34) , p.177-219.
Experts
Assessor(s): Tanguy, V., Veillon, J., Amice, R., Barrière, R., Chambrey, C., Fleurot, D., Lannuzel, G.
Reviewer(s): Vandrot, H.
Contributor(s): Wulff, A.
Facilitator(s): Chanfreau, S., Tanguy, V.