Taxonomy
Red List Status -
Near Threatened (NT) , assessed in 07/04/2017Protected species -
in Northern Province
Sphenostemon oppositifolius is an endemic shrub of New Caledonia, restricted to a few mountains of southern Grande Terre. It occurs in humid forest generally at mid to high altitude (200-1200 m asl) on ultramafic substrates. This species does not seem directly threatened. Its area of occupation (AOO) and extent of occurrence (EOO) being respectively estimated to 44 and 1,198 km², Sphenostemon oppositifolius is considered Near Threatened (NT) close to VU D2.
Geographical area
Sphenostemon oppositifolius is an endemic shrub of New Caledonia, restricted to a few mountains of southern Grande Terre.
Population
Population size is unknown.
Habitat
It occurs in humid forest generally at mid to high altitude (200-1200 m asl) on ultramafic substrates, at a lower altitude in Kuebini.
Threats
This species does not seem directly threatened.
Conservation
Unprotected by legislation, this species occurs in several protected areas : Mont Humboldt, Montagne des sources, Mont Mou, Massif du Kouakoué, la Dumbéa, Haute Dumbéa
Bibliography
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.
Endemia.nc 2016. Faune et Flore de Nouvelle-Calédonie.
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 21 : Sphenostemonaceae, Anacardiaceae, Cruciferae.
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): Warimavute, G., Maura, J., Tanguy, V.