Taxonomy

Dendrobium letocartiorum Munzinger & M.Pignal
endemique
protegee
UICN

Red List Status -

Near Threatened (NT) , assessed in 29/01/2016

Protected species -

in Northern Province

Dendrobium letocartiorum is an endemic orchid of New Caledonia, known only from northern part of Grande Terre (main island) on Ouaïème-Mandjélia area. It is found in humid forest on metamorphic rocks at an altitudinal range 780-950 m. asl, and is also saxicolous. Its area of occupancy and extent of occurrence are respectively equal to 24 and 142 km². Based on informations from experts, it would be possible that population size be around 1,000 mature individuals. Using criteria D, D. letocartiorum qualifies as Near Threatened close to Vulnerable D1.

Geographical area


Dendrobium letocartiorum is an endemic orchid of New Caledonia, known only from northern part of Grande Terre (main island) on Ouaïème-Mandjélia area.

Population


Population size is not precisely known, but field observations report a rare species only found as little population. based on informations from experts, it would be possible that population size be around 1,000 mature individuals.

Habitat


Dendrobium letocartiorum is found in humid forest on metamorphic rocks at an altitudinal range 780-950 m. asl. It is also saxicolous.

Threats


This species does not seem to be threatened at the moment.

Conservation


D. letocartiorum is protected in Province Nord and Province Sud. This species also occurs in one protected area : réserve de nature sauvage du Mont Panié. In order to improve our knowlegde on this new species, prospection need to be intensified on disjunction area between well known stations.

Bibliography


Hallé N.; Aubréville A.; Leroy J. F.; 1977. Flore de la Nouvelle-Calédonie et dépendances. Volume 08 : Orchidaceae.

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

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.

Pignal, M. & Munzinger, J. 2020. Morphological and anatomical investigation of New Caledonian graminoid Dendrobium (Orchidaceae) with the description of two new species. European Journal of Taxonomy(633) , p.1-26.

Experts


Assessor(s): Butin, J., Laudereau, C., Amice, R., Antheaume, C., Birnbaum, P., Dubreuil, M., Lannuzel, G., Papineau, C.

Reviewer(s): Tanguy, V.

Facilitator(s): Chanfreau, S.


Geographical distribution