Pleurothallis otopetalum Schltr.1912 SUBGENUS Kraenzlinella (Kuntze) Luer 1986
Photos by © S Manning and The Swiss Orchid Foundation at the Jany Renz Herbaria Website
Original Drawing by © Padre Pedro Ortiz Conserved at the Herbario de la Universidad Javeriana, Bogota Colombia
TYPE Drawing by © Carl Luer
Common Name The Otopetalum Pleurothallis [The genus from which it was originally described]
Flower Size 1" [2.5 cm]
Found in southwestern Colombia, Ecuador and Peru at elevations 800 to 2300 meters as a small sized, warm to cold growing,very shortly repent to caespitose epiphyte with stout, terete, erect ramicauls enveloped by 2 to 3 loose, tubular sheaths and carrying a single, apical, erect, thickly coriaceous, elliptical-ovate, subacute to obtuse, cuneate below into the sessile base leaf that blooms on a loose, arising through a spathe at the apex of the ramicaul, subsecund, subflexuous, terete, to 20" [50 cm] long, successively 1 to 4, several to many flowered, racmose inflorescence with oblique, acute, compressed, longer than the ovary floral bracts.
"This robust species is relatively frequent in the Andes from southern Colombia into Peru. The range is entirely within the Distribution of the extremely similar P. erinacea. Pleurothallis otopetalum is distinguished by the short, stout ramicaul large, fleshy leaf; an elongating inflorescence producing large flowers continuously." Luer 1994
Synonyms Acianthera tunguraguae (F.Lehm. & Kraenzl.) A.Doucette 2016; Kraenzlinella otopetalum (Schltr.) Luer 2004; Kraenzlinella tunguraguae (F.Lehm. & Kraenzl.) Kuntze ex Engl. & Prantl 1906; *Otopetalum tunguraguae F.Lehm. & Kraenzl. 1899
References W3 Tropicos, Kew Monocot list , IPNI ;
Bot. Jahrb. Syst. 26: 457 F Lehm & Kraeanzl. 1899 as Otopetalum tunguraguae;
Nat. Pflanzenfam., Nachtr. 3: 86 Kuntze ex Engl. & Prantl 1906 as Kraenzlinella tunguraguaea;
* Repert. Spec. Nov. Regni Veg. 10: 292 Schlechter 1912;
Icones Planetarum Tropicarum Plate 245 Dodson 1980 drawing good;
Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;
Icones Orchidacearum Plate 162 Bennett & Christenson 1993 drawing fide;
Macchu Picchu Orchids Eric Christenson 2003;
Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion Luer 2004 as Kraenzlinella otopetalum;
Phytotaxa 275: 272 Doucette 2016 as Acianthera tunguraguae;
Anales Jard. Bot. Madrid 75(1)e069: 13 2018 A taxonomic synopsis of Acianthera (Orchidaceae: Pleurothallidinae) in Peru, including two new species Damian, Chiron and Mitidieri 2018 as Acianthera tungurasguae photo fide;
Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera tunguraguae photo fide
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