Macaranga longispica S.Moore

Red List Status -

Least Concern (LC) , assessed in 05/04/2018

Macaranga alchorneoides is an endemic shrub or tree of New Caledonia largely distributed from Voh in the north to Prony in the south of Grande Terre. It is quite common and abundant, and occurs in dense humid forest on ultramfic substrate, up to 700 m asl. With an extent of occurrence (EOO) equal to 10,234km² and an area of occupancy (AOO) of 216 km², M. alchorneoides is assessed as Least Concern (LC).

Geographical area

M. alchorneoides is endemic to New Caledonia and is largely distributed from Voh in the north to Prony in the south of Grande Terre.


Population size is unknown but field observations show it is a common species.


M. alchorneoides occurs in dense humid forest on ultramafic substrate, up to 850 m asl.


This species does not seem to be threatened although some subpopulations may be impacted by fires, Rusa deer (Rusa timorensis) and feral pigs (Sus scrofa).


This species is not protected by any legislation in New Caledonia, but it occurs in several protected areas: la Dumbéa, Mont Mou, Rivière bleue, Vallée de la Thy, Nodela, Forêt de Saille, Foret Nord, Haute Dumbéa and Haute Yaté.


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.

McPherson G.D & Tirel C. 1987. Flore de la Nouvelle-Calédonie et dépendances. Volume 14: Euphorbiaceae I. 2016. Faune et Flore de Nouvelle-Calédonie.


Assessor(s): Amice, R., Bruy, D., Butin, J., Cazé, H., Chambrey, C., Dumontet, V., Fleurot, D., Garnier, D., Gâteblé, G., Goxe, J., Hequet, V., Veillon, J.

Reviewer(s): Lannuzel, G.

Facilitator(s): Warimavute, G., Barrabé, L., Meyer, S.

Geographical distribution