Pleurothallis atrohiata Dod 1989 SUBGENUS Elongatia Luer 1986

Drawing by Carl Luer and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Common Name The Dark Opening Pleurothallis [Refers to the dark interior of the flower]

Flower Size .4" [1 cm]

Found in Haiti on the Massif de la Hotte at elevations around 800 meters as a mini-miniature sized, warm growing epiphyte with a slender, erect ramicaul enveloped by a tubular sheath below the middle and 2 to 3 others at the base and carrying a single, erect, coriaceous, elliptical, otuse, cuneate below into the petiolate base leaf that blooms in the winter and spring on an erect, slender, 2.8" [7 cm] long including the .8 to 1.2" [2 to 3 cm] long, loose, simultaneously 2 to 4 flowered inflorescence arising through a slender, erect spathe at the apex of the ramicaul with a tubular floral bract.

P deutrodriessenii is most closely related to the Hispaniolan P atrohiatus Dod, but P deutrodriessenii is distinguished by narrower sepals and a lip that is only indistinctly trilobed.

Synonyms Elongatia atrohiata (Dod) Luer 2004

References W3 Tropicos, Kew Monocot list , IPNI ; Icones Pleurothallidinarum Vol XVI Luer 1998 Drawing fide; Orchidaceae Antillanae Nir 2000; Icones Pleurothallidinarum Vol XXVI Luer 2004 as Elongatia atrohiatus; Harvard Papers in Botany, Vol. 18, No. 2, pp. 173 to 196 2013 MISCELLANEOUS NEW SPECIES IN THE PLEUROTHALLIDINAE (ORCHIDACEAE) Carlyle A. Luer & Lisa Thoerle; Orchid Flora of the Greater Antilles Ackerman 2014