Maxillaria friedrichsthalii Rchb. f. 1852
Photo by © Gilberto Khouri
Photo by © Walter Schug and His MesoAmerican Orchid Page
Photo by Noble Bashor
To 
MOSTLY 
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Common Name Freidrichsthal's Maxillaria [German Orchid Collector 1800's]
Flower Size to 1 1/4" [to 3 cm]
Found from Mexico, Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, Panama, Colombia, Ecuador and Peru in wet montane forests at elevations of sealevel to 1500 meters as a small sized, hot to cool growing, stout, ascending, 2 leafed epiphyte with clustered, elliptic-oblong, slightly compressed, sulcate pseudobulbs enveloped basally by scarious sheaths, leaf bearing towards the apex and carrying 2 to 3 apical, ligulate, obscurely bilobed apically, conduplicate below into the base leaves and blooms mostly in the spring and summer on a lateral, short to 1.4" [3.5 cm], single flowered inflorescence with flowers variable in size and color, arising from the sheath of a mature pseudobulb and is held amid the leaves.
Synonyms Maxillaria turialbae Schltr. 1918; Rhetinantha friedrichsthalii (Rchb. f.) M.A. Blanco 2007
References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR; *Bot. Zeit. (Berlin) 10: 858. 1852; Bonplandia Rchb.f 1856; Repert. Sp. Nov. Regni. Veg. Beih. 19: 140. Costa Rica Schlechter 1923; The Orchids of Panama L.O. Williams & P Allen 1946 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Las Orquedias De El Salvador Vol 2 Hamer 1974 drawing/photo fide; Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 drawing fide; Las Orquedias de El Salvador Vol 3 Hamer 1981 drawing ok; Icones Planetarum Tropicarum plate 855 Dodson 1983 drawing ok; AOS Bulletin Vol 54 No 1 1985; An Introdution to the Orchids of Mexico Wiard 1987 photo fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; Icones Planetarum Tropicarum plate 1347 Atwood 1993 drawing hmm; Rudolf Schlechter Die Orchideen Band 1B lieferung 28 1713 - 1776 Brieger 1993 photo good; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1999 Drawing good; Harvard Pap. Bot. 5 #2: Carnevali etal. 2001; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo fide; Lankesteriana 7(3): 534. 2007 as Rhetinantha friedrichthalii; Orchids of Costa Rica Vol 4 Morales 2009 as Rhetinantha friedrichsthalii photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Rhetinantha friedrichsthalii photo fide
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