Taxonomy
Red List Status -
Least Concern (LC) , assessed in 07/04/2017
Oncotheca balansae is an endemic shrub/tree of New Caledonia spread on Grande Terre from Bourail in the north to Yaté in the south. Oncotheca balansae occurs in forest and shrubland on ultramafic substrate at an altitudinal range 5-850 m asl. This species has a high phylogenetic importance as it is part of the endemic family Oncothecaceae which consists of 2 species. This species does not seem directly threatened. Oncotheca balansae is considered Least Concern (LC).
Geographical area
Oncotheca balansae is an endemic shrub/tree of New Caledonia spread on Grande Terre from Bourail in the north to Yaté in the south.
Population
Population size is unknown.
Habitat
Oncotheca balansae occurs in forest and shrubland on ultramafic substrate at an altitudinal range 5-850 m asl.
Threats
This species does not seem globally threatened. Some subpopulations may be threatened by mining activities: Goro (VALE).
Conservation
Unprotected by legislation, this species is present in several protected areas : Haute Yaté, la Dumbéa, Rivière bleue, Barrage de Yaté, Montagne des sources, Forêt cachée, Vallée de la Thy, Pic du Pin, Pic du grand Kaori This species has a high phylogenetic importance as it is part of the endemic family Oncothecaceae which consists of 2 species.
Bibliography
Munzinger J., Morat Ph., Jaffré T., Gâteblé G., Pillon Y., Tronchet F., Veillon J.-M. and M. Chalopin 2016. FLORICAL: Checklist of the vascular indigenous flora of New Caledonia. vers. 22.IV.2016.
Jérémie, J.; Hoff, M.; Jonsell, B. 1997. Flore de la Nouvelle-Calédonie et dépendances. Volume 15 : Hernandiacées, Meliacées, Oncothecacées, Santalacées.
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): Veillon, J., Amice, R., Bruy, D., Butin, J., Fleurot, D., Garnier, D., Gâteblé, G., Goxe, J., Suprin, B.
Reviewer(s): Pillon, Y.
Facilitator(s): Tanguy, V., Maura, J., Warimavute, G.