Notes on the flora of the Yucatan Peninsula. II. A synopsis of the orchid flora of the Mexican Yucatan Peninsula and a tentative checklist of the orchidaceae of the Yucatan Peninsula Biotic Province

• Published in: Harvard papers in botany 2001-04, Vol.5 (2), p.383-466
• Main Authors: Carnevali Fernandez-Concha, G, Tapia-Munoz, J.L, Jimenez-Machorro, R, Sanchez-Saldana, L, Ibarra-Gonzalez, L, Ramirez, I.M, Gomez, M.P
• Format: Article
• Language: English
• Subjects: Biological taxonomies; Calyx; checklists; epidendrum martinezii; flora; Flowers; fruits; genera; geographical distribution; habenaria leon-ibarrae; Inflorescences; keys; Leaves; lophiaris andrewsiae; lophiaris oerstedii; lophiaris teaboana; maxillaria x yucatensis; myrmecophila christinae; myrmecophila christinae var. ibarrae; myrmecophila x laguna-guerrerae; new combination; new species; Orchidaceae; Petals; plant morphology; Plants; Stems; Synonyms; Taxa; taxonomy; terminology
• ISSN: 1043-4534; 1938-2944

Eight entities are proposed as new: Epidendrum martinezii is a new taxon in the E. polyanthum complex; Habenana leon-ibarrae is a new species related to H. novemfida and H. brownelliana; Lophiaris andrewsiae and L. teaboana are new species in the L. carthagenense complex, the latter probably a natural hybrid of L. andrewsii and L. lurida; Maxiilaria × yucatanensis is apparently a nothospecies resulting from the introgression of Maxillaria tenuifolia and Maxillaria variabilis vel sp. aff.; the new species Myrmecophila christinae is proposed to accommodate the common species of the genus in the Peninsula, which had previously been confused with Myrmecophila tibicinis, whereas the populations of this new species from the most humid sections of the Peninsula are recognized as var. ibarrae; and Myrmecophila × laguna-guerrerae, nothospecies nov., is the result of the introgression of Myrmecophila brysiana and M. christinae in SE Quintana Roo. Lophiaris oerstedii is a new combination. Campylocentrum dressiert is a new synonym of C. tyrridion, and Schomburgkia campechiana is a new synonym of Myrmecophila tibicinis. Encyclia dickinsoniana is a later homonym of Encyclia dickinsoniana. Beloglottis, Brassia, Cattleya, Cyclopogon, Eulophia, Jacquiniella, Liparis, Malaxis, Macradenia, Pelexia, Platythelis, Prescottia, Sobralia, and Tropidia are new generic records for the flora of the Mexican Yucatan Peninsula. Brassia caudata, B. maculata, Bulbophyllum oerstedii, Campylocentrum fasciola, Cyclopogon cranichoides, C. prasophyllum, Epidendrum diffusum, Habenaria pringlei, H. repens, Maxillaria uncata, Pelexia gutturosa, Pleurothallis brighamii, Prosthechea chacaoensis, Vanilla insignis, and V. odorata are new specific records for the orchid flora of the Mexican section of the Peninsula. Campylocentrum tyrridion, Encyclia amanda, Habenaria mesodactyla, Myrmecophila brysiana, and Sarcoglottis assurgens are all newly recorded for the Mexican flora. The distributions of several taxa within the Mexican Yucatan Peninsula are documented for the first time, these entities having been cited by previous authors without voucher and locality data. These include Epidendrum ciliare, E. isthmii, Lophiaris lurida, Oncidium ensatum, Prosthechea radiata, and several others. A total of 117 species in 59 genera are currently recognized for the Mexican section of the Peninsula. A nomenclatural update of the taxa of the area is provided. Keys to the species within each genera are proposed, as