Abstract

NOGUERA-SAVELLI, Eliana  and  CETZAL-IX, William. Revision and integration of the knowledge of the Orchidaceae from Tabasco, Mexico. Bot. sci [online]. 2014, vol.92, n.4, pp.519-540. ISSN 2007-4476.

To date, there is no comprehensive and updated work on the orchids of Tabasco, despite the existence of several floristic studies that include Orchidaceae and citations of material available in local herbaria. The objective of this research was to collect, update, and expand our knowledge of the Orchidaceae of Tabasco, by compiling a list with all available taxonomic information, conservation status, and geographic distribution of species. The checklist includes a total of 109 species and one variety in 58 genera. Twelve taxa are new records for the state: Anathallis yucatanensis, Cyrtopodium macrobulbon, Oeceoclades maculata, Maxillariella variabilis, Myrmecophila christinae var. christinae, Polystachya clavata, Prescottia stachyodes, Rhetinantha aciantha, Sarcoglottis assurgens, Stanhopea oculata, Stelis cobanensis, and Trichosalpinx ciliaris. Six of the species are found in some risk category according to NOM-059-SEMARNAT-2010. The municipalities with high diversity of species are Teapa (66 species), Tacotalpa (55), and Huimanguillo (40). The vegetation types with the highest diversity are the evergreen tropical forest (79 species), the high evergreen forest (52), the lowland floodplain (28), and secondary vegetation (25). The lowest diversity was recorded in the lowland evergreen and mangrove, both with eight species, followed by the aquatic vegetation with seven species and cloud forest with five species.

Keywords : conservation status; Orchidaceae; Tabasco; Taxonomy.