Taxonomy
Plerandra osyana subsp. osyana
Red List Status -
Least Concern (LC) , assessed in 25/01/2015
Plerandra osyana subsp. osyana is an endemic tree of New Caledonia restricted to the southern half of Grande Terre and on the Iles Loyauté and Ile des Pins.With an extent of occurrence of 30,760 km², an area of occupancy (AOO) of 146 km², and over 20 known subpopulations, some of which occur within a protected area (Réserve naturelle du Mont-Mou, Parc des Grandes Fougères, Parc de la Rivière Bleue), Plerandra ossyana subsp. ossyana is assigned a status of Least Concern (LC)
Geographical area
Plerandra osyana ssp. osyana is an endemic tree of New Caledonia restricted to the southern half of Grande Terre and on the Iles Loyauté and Ile des Pins.
Population
Population size is unknown.
Habitat
Plerandra osyana subsp. osyana is found in dense humid forest on various substrates.
Threats
No particular threat has been identified for the moment.Habitat degradation on the Iles Loyauté due to agriculture is not considered as a threat as long as locals follow traditional practices.
Conservation
Plerandra osyana subsp. osyana occurs in protected areas (Réserve naturelle du Mont-Mou, Parc des Grandes Fougères, Parc de la Rivière Bleue). Dense humid forests are a patrimonial ecosystem protected by the Code de l'Environnement of Province Sud.
Bibliography
Lowry, P. P. II; G. M. Plunkett and D. G. Frodin 2013. Revision of Plerandra A. Gray (Araliaceae). I. A synopsis of the genus with an expanded circumscription and a new infrageneric classification. Brittonia(65) , p.42-61.
Lowry, P. P. II; G. M. Plunkett; D. G. Frodin; C. Rodrigues Vaz; M. Gostel and A. N. Nicolas 2016. Revision of Plerandra A. Gray (Araliaceae). III. A taxonomic treatment of Plerandra subg. Dizygotheca..
Experts
Assessor(s): Tanguy, V.
Reviewer(s): Schatz, G.
Contributor(s): Gâteblé, G., Lowry, P., Amice, R., Veillon, J., Tron, F., Letocart, D.