Taxonomy

Thiollierea tubiflora (Brongn.) Barrabé & Mouly
endemique
UICN

Synonyms

Grisia tubiflora Brongn.Bikkia tubiflora (Brongn.) Schltr.

Red List Status -

Near Threatened (NT) , assessed in 21/04/2017

Thiollierea tubiflora is an endemic shrub of Grande Terre in New Caledonia, from N'goye to Forêt Nord. It occurs in dense humid forest and shrubland on ultramafic substrate at an altitudinal range 20-800 m asl. The main impact identified comes from mining activites and bushfires. Its area of occupancy (AOO) and extent of occurrence (EOO) being respectively estimated to 108 and 2,533 km², Thiollierea tubiflora is considered Near Threatened (NT) close to VU B1ab(iii)+2ab(iii) with a decline of habitat quality and a number of locations close to 10.

Geographical area


Thiollierea tubiflora is an endemic shrub of Grande Terre in New Caledonia, from N'goye to Forêt Nord.

Population


Population size is unknown. It is known from 15 subpopulations.

Habitat


Thiollierea tubiflora occurs in dense humid forest and shrubland on ultramafic substrate at an altitudinal range 20-800 m asl.

Threats


This species does not seem globally threatened. Some subpopulations may be threatened by mining activities: Vulcain (SMGM), Plateau (SLN), Goro (VALE), Ouinné (SMGM) or bushfires (Dumbéa, Dalmates, Kuébini).

Conservation


Unprotected by legislation, this species is found in six protected areas : Haute Yaté, Forêt Nord, la Dumbéa, Montagne des sources, Rivière bleue, Haute Dumbéa.

Bibliography


Barrabé L., Mouly A., Lowry II P.P. & Muzinger J. 2011. Reinstatement of the endemic New Caledonian genus Thiollierea Montrouz. (Rubiaceae) necessitated by the polyphyly of Bikkia Reinw. as currently circumscribed. Adansonia(33) , p.115-134.

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.

Experts


Assessor(s): Barrabé, L., Amice, R., Bruy, D., Butin, J., Fleurot, D., Garnier, D., Gâteblé, G., Goxe, J., Hequet, V., Lannuzel, G., Suprin, B., Veillon, J.

Reviewer(s): Cazé, H.

Contributor(s): Mouly, A.

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


Geographical distribution