Taxonomie
Synonymes
Grastidium crassifolium (Schltr.) RauschertStatut liste rouge -
Préoccupation mineure (LC) , évaluée le 26/10/2015Espèce protégée -
en Province Nord
Description
Habitat
Forêt dense humide (F)
Reproduction
Floraison en novembre.
Dendrobium crassifolium is an endemic orchid of New Caledonia, mostly distributed on the northeastern coast of Grande Terre (main island) but also found in Col d'Amieu, in Parc Provincial de la Rivière Bleue and Thy. D. crassifolium occurs in humid forest or gallery forest at an altitudinal range 10-900 m asl. Due to its habitat, D. crassifolium could be elsewhere in Grande Terre. With an area of occupancy and an extent of occurrence equal to 116 and 7826 km² respectively, D. crassifolium qualifies as Least Concern.
Aire géographique
D. crassifolium is an endemic orchid of New Caledonia, mostly distributed on thenortheastern coast of Grande Terre (main island) but also found in Col d'Amieu, in Parc Provincial de la Rivière Bleue and Thy. Due to its habitat, D. crassifolium should be elsewhere in Grande Terre.
Population
Population size is unknown, but D. crassifolium is not considered as a common species.
Habitat
D. crassifolium occurs in humid forest or gallery forest at an altitudinal range 10-900 m asl.
Menaces
There are no particular threats associated with this species.
Conservation
D. crassifolium is protected by legislation in Province Nord and Province Sud. D. crassifolium occurs in three protected areas : Parc Provincial de la Rivière Bleue, Réserve de nature sauvage du massif de l’Aoupinié, réserve naturelle de la Vallée de la Thy.
Bibliographie
Hallé N.; Aubréville A.; Leroy J. F.; 1977. Flore de la Nouvelle-Calédonie et dépendances. Volume 8: 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.
Experts
Assessor(s): Butin, J., Laudereau, C., Amice, R., Fleurot, D., Frayssinet, I., Garnier, D., Letocart, D., Letocart, I.
Reviewer(s): Tanguy, V.
Contributor(s): Faria, E.
Facilitator(s): Chanfreau, S.