Taxonomy
Synonyms
Oxera subverticillata var. candelabrum Beauvis. ex Dubard • Oxera candelabrum (Beauvis. ex Dubard) GuillauminRed List Status -
Least Concern (LC) , assessed in 08/09/2017
Oxera subverticillata is a robust liana endemic to New Caledonia, largely distributed from the center to the north of Grande Terre. It is quite common and occurs in dense humid forest on volcano-sedimentary substrate from 300 to 700 m asl. Its extent of occurrence (EOO) and area of occupancy (AOO) are 3,651 and 100 km², respectively. O. subverticillata does not seem threathened and therefore is listed as Least Concern (LC).
Geographical area
O. subverticillata is endemic to New Caledonia, largely distributed from the center to the north of Grande Terre.
Population
Population size is unknown, but field observations indicate O. subverticillata is quite common.
Habitat
O. subverticillata occurs in dense humid forest on volcano-sedimentary substrate, from 300 to 700 m asl.
Threats
This species does not seem to be threatened at the moment, although some sub-populations may be impacted by Rusa deer (Rusa timorensis) and feral pigs (Sus scrofa) mainly at Plateau de Dogny and Parc des Grandes Fougères.
Conservation
This species is not protected by any legislation in New Caledonia, but it occurs in three protected areas: Parc des Grandes Fougères, Mont Panié and Aoupinié.
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.
Barrabé L, Karnadi-Abdelkader,G, Ounemoa,J,de Kok RPJ., Robert N, Gâteble,G. 2015. Recircumscription of Oxera (Lamiaceae: Ajugoideae) ta include Faradaya based on molecular and anatomical data. Botanical Journal of the Linnean Society(179) , p.693-711.
Gâteblé, G. 2016. Flore ornementale de Nouvelle-Calédonie.
Endemia.nc 2016. Faune et Flore de Nouvelle-Calédonie.
Mabberley DJ, de Kok RPJ. 2004. Labiatae. In: Morat P,ed. Flore de la Nouvelle-Calédonie et dépendance.
Experts
Assessor(s): Gâteblé, G., Barrabé, L., Fleurot, D., Amice, R., Cazé, H., Bruy, D., Héquet, V., Vandrot, H., Butin, J., Mandaoué, L., Haverkamp, C., Dumontet, V., Laudereau, C.
Reviewer(s): Meyer, S.
Facilitator(s): Warimavute, G., Tanguy, V.