Pleurothallis yucatanensis Ames & C. Schweinf. 1932 SUBGENUS Specklinia SECTION Hymenodanthae SUBSECTION Longicaulae [Barb. Rodr.] Luer 1986

Photo by The Orchid Webblog

Plant and Inflorescence

Photo by Weyman Bussey

Drawing

Drawing by Carl Luer

Common Name The Yucatan Pleurothallis [A state of Mexico on the Caribbean]

Flower Size 1/10" [2 mm]

Found in Mexico, Guatemala, Belize and Nicaragua in wet cloud forests on large tree trunks and fallen logs at elevations around 1170 meters as an miniature sized, cool growing, shortly repent epiphyte with a short ramicaul enveloped basally by several scarious sheaths and carrying a single, apical, fleshy coriaceous, narrowly elliptical, obtuse and tridentate [slightly] apically, gradually narrowing below into the petiolate base leaf that blooms in the winter on an apical, racemose, fractiflex ,longer than the leaves, 1.2" [3 cm] long, successively 2 to 4 flowered inflorescence with with as long as the pedicel floral bracts.

This species differs from P sertularioides in having 2 to 4 flowers per racemose inflorescence and P grobyi by the attenuate, non-obtuse petals and the free, diverging lateral sepals.

Synonyms Anathallis yucatanensis (Ames & C.Schweinf.) Solano & Soto Arenas 2002 publ. 2003; Specklinia yucatanensis (Ames & C.Schweinf.) Pridgeon & M.W.Chase 2001

References W3 Tropicos, Kew Monocot list , IPNI ;

* Bot. Mus. Leafl. 1(2): 4 Ames & C. Schweinf. 1932;

Orchids of Guatemala and Belize Ames & Correll 1952;

AOS Bulletin Vol 52 No 6 1983 photo fide;

Icones Planetarum Tropicarum plate 1132 Dodson 1984 drawing ok;

Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;

Lindleyana Vol 16 No 4:260 Pridgeon & M.W.Chase 2001 as Specklinia yucatanensis;

Harvard Pap. Bot. 5 #2: Carnevali etal. 2001;

Orchids of Mexico Hagsater, Soto, Salazar, Jimenez Lopez & Dressler 2005 as Anathallis yucatanensis;

Icones Pleurothallidinarum Vol XXVIII A Reconsideration of Masdevallia Systematics of Specklinia Luer 2006 as Specklinia yucatanensis

Icones Pleurothallidinarum Vol XXVIII A Reconsideration of Masdevallia Systematics of Specklinia Luer 2006 as Specklinia yucatanensis drawing fide;

Icones Orchidacearum 10 plate 1002 Hagsater & Soto 2008 as Anathalis yucatanensis drawing ok;

Orchid Flora of the Greater Antilles Ackerman 2014 as P aff yucatanensis;

Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Anathallis yucatenensis;

Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Anathallis yucatensis photo fide

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