Taxonomy

Polyscias vieillardii subsp. vieillardii (Baill.) Lowry & Plunkett
endemique
UICN

Red List Status -

Vulnerable (VU)

Données en cours d'évaluation Red List Evaluation -


Polyscias vieillardii ssp. vieillardii is an endemic tree/small tree of New Caledonia restricted to the northern part of Grande-Terre. It is found in dense humid forest on volcano-sedimentary substrate and shrubland on ultramafic substrate at mid altitude. The main threats impacting this species come from mining activities impacting one sub-population. Its area of occupancy (AOO) and extent of occurrence (EOO) being respectively estimated to 56 and 2,479 km², Polyscias vieillardii ssp. vieillardii is considered Vulnerable (VU) using criteria B1ab(iii,v)+2ab(iii,v) with an estimation of 6 locations and a decline of habitat quality and number of mature individuals.

Geographical area


Polyscias vieillardii ssp. vieillardii is an endemic tree/small tree of New Caledonia restricted to the northern part of Grande-Terre.

Population


Population size is unknown. This species is known from 5 sub-populations. This species is not abundant.

Habitat


It is found in dense humid forest on volcano-sedimentary substrate and shrubland on ultramafic substrate at mid altitude (500-970 m Asl).

Threats


The main threats impacting this species come from mining activities impacting one sub-population.

Conservation


Unprotected by legislation, this species is found in protected areas: Aoupinié, Mont Panié

Bibliography


Morat, P.; Jaffré, T.; Tronchet, F.; Munzinger, J.; Pillon, Y.; Veillon, J.-M. and Chalopin, M. 2012. The taxonomic database « FLORICAL » and characteristics of the indigenous flora of New Caledonia. Adansonia(334) , p.177-219.

Endemia.nc 2016. Faune et Flore de Nouvelle-Calédonie.

Lowry P.P.L. and Plunkett G.M. 2018. A Taxonomic revision of Polyscias subg. Tieghemopanax.

Contributors


Assessor(s): Lowry, P., Amice, R., Bruy, D., Butin, J., Cazé, H., Dumontet, V., Fleurot, D., Garnier, D., Goxe, J., Hequet, V., Lannuzel, G., McCoy, S., Schatz, G., Suprin, B., Tanguy, V., Vandrot, H., Veillon, J.

Reviewer(s): Maura, J.

Facilitator(s): Tanguy, V., Warimavute, G.


Geographical distribution