Taxonomy

Psychotria pillonii Barrabé, sp. nov. ined., {Barrabé 796}
endemique
UICN

Red List Status -

Near Threatened (NT) , assessed in 15/09/2016

Psychotria sp. nov. "pillonii" is an endemic shrub known in Grande Terre from Gohapin in the North to La rivière Bleue /Koghi /Thy in the South of New Caledonia. It occurs in dense humid forest on various substrate at an altitudinal range 500-890 m asl. The main impact identified comes from bushfires. Its area of occupancy (AOO) and extent of occurrence (EOO) being respectively estimated to 48 and 4,064 km², Psychotria sp. nov. "pillonii" is considered Near Threatened (NT) close to VU B1ab(iii)+2ab(iii) with a decline of habitat quality and a number of locations equal to nine.

Geographical area


Psychotria sp. nov. "pillonii" is an endemic shrub known in Grande Terre from Gohapin in the North to La rivière Bleue /Koghi /Thy in the South of New Caledonia.

Population


It is known from nine sub-populations: Gohapin, Nékou, Col d'Amieu, Mont Mou, Mt. Dzumac, Hermitage, Mt Bouo, Vallée de Thy, Rivière Bleue. Population does not seem to decline.

Habitat


Psychotria sp. nov. "pillonii" occurs in dense humid forest on various substrate at an altitudinal range 500-890 m asl.

Threats


Bushfires are a potential threat to this species.

Conservation


Unprotected species by legislation, Psychotria sp. nov. "pillonii" occurs in three protected areas : Vallée de la Thy, Haute Yaté, Rivière bleue.

Bibliography


Barrabé L, Maggia L, Pillon Y, Rigault F, Mouly A, Davis AP, Buerki S 2014. New Caledonian lineages of Psychotria (Rubiaceae) reveal different evolutionary histories and the largest documented plant radiation for the archipelago. Molecular Phylogenetics and Evolution(71) , p.15-35.

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.

Barrabé L. 2013. Systématique et Evolution du genre Psychotria (Rubiaceæ) en Nouvelle-Calédonie.

Experts


Assessor(s): Barrabé, L., Amice, R., Bruy, D., Cazé, H., Dumontet, V., Fleurot, D., Garnier, D., Gâteblé, G., Hequet, V., Maura, J., McCoy, S., Suprin, B., Vandrot, H., Veillon, J.

Reviewer(s): Tanguy, V., Lannuzel, G.

Facilitator(s): Warimavute, G., Ramon, L., Tanguy, V., Maura, J.


Geographical distribution