Pleurothallis obovata (Lindl.) Lindl. 1842 SUBGENUS Specklinia SECTION Alatae Luer 1986 TYPE for the SECTION
Photo by © Dalton Holland Baptista
Photo courtesy of Americo Docha Neto.
Drawing by © Helena Ignowski and Rodriguésia 70: e02722017 Anathallis (Orchidaceae: Pleurothallidinae) no estado do Paraná, Brasil Santos, Tiscano and Smidt 2019
to 
Common Name The Reverse Egg-Shaped Pleurothallis
Flower Size .12" [3mm]
Found from Nicaragua, Cuba, Dominican Republic, Puerto Rico, Guyana, Venezuela, Colombia, Ecuador, Peru, Bolivia, Brazil and Argentina in wet montane forests or piedmont forests at elevations of 500 to 1800 meters as a small sized, warm to cool growing, caespitose epiphyte on tree trunks with erect, slender ramicauls enveloped basally by 2 to 3 tubular sheaths and another below the middle carrying a single, apical, erect, coriaceous, elliptical to elliptical obovate, subacute to obtuse, cuneate below into the petiolate base leaf that blooms in the fall and winter on a short fascicle of capillary, fractiflex, laxly 3 to 4 flowered inflorescence with the flowers held close to the leaf base.
Luer feels that P citrina is distinct from P obovata with which it is often allied but they differ in P citrina having 1 to 3 erect, distantly flowered racemose inflorescence that often reach beyond the middle of the leaf, P obovata on the other hand has a single disheveled, shorter, few flowered racmose inflorescence.
Synonyms Anathallis densiflora Barb. Rodr. 1877; Anathallis fasciculata Barb. Rodr. 1877; Anathallis micrantha Barb. Rodr. 1882; Anathallis obovata (Lindl.) Pridgeon & M.W.Chase 2001; Anathallis osmosperma Barb. Rodr. 1877; Humboldtia dendrophila (Rchb.f.) Kuntze 1891; Humboltia obovata (Lindl.) Kuntze 1839; Humboldtia obovata (Lindl.] Kuntze; Humboltia obovata (Lindl.) Kuntze 1891; Pleurothallis albida Lindl. 1858; Pleurothallis dendrophila Rchb. f. 1849; Pleurothallis densiflora (Barb. Rodr.) Cogn. 1896; Pleurothallis densiflora var parvifolia Garay 1952; Pleurothallis fasciculata (Barb. Rodr.) Cogn. 1896; Pleurothallis minutiflora Cogn. 1896; Pleurothallis modestiflora Schltr. 1925; Pleurothallis octomeriaeformis Rchb. f. 1854; Pleurothallis osmosperma (Barb. Rodr.) Cogn. 1896; Specklinia obovata Lindl. 1839; Stelis fasciculiflora Regel 1871
References W3 Tropicos, Kew Monocot list , IPNI ;
Edwards's Bot. Reg. 25: Misc. 86. Lindl., 1839 as Specklinia obovata;
* Edwards's Bot. Reg. 28: Misc. 75. Lindl. 1842;
Linnaea 22: 827. Rchb.f., 1849[1850] as Pleurothallis dendrophila;
Ann. Mag. Nat. Hist., ser. 3, 1: 327 Lindley 1858 as P albida;
Trudy Imp. S.-Peterburgsk. Bot. Sada 1: 99 Regel 1871 as Stelis fasciculiflora;
Gen. Spec. Orchid. 1: 23 Barb Rodr. 1877 as Anathallis fasciuclata;
Gen. Spec. Orchid. 2: 73 Barb Rodr. 1881 as Anathallis densiflora;
Gen. Spec. Orchid. 2: 76 Barb Rodr. 1881 as Anathallis micrantha;
Gen. Spec. Orchid. 2: 73 Barb Rodr. 1881 as Anathallis osmosperma;
Revis. Gen. Pl. 2: 667 Kuntze 1891 as Humboltia dendrophila;
Revis. Gen. Pl. 2: 668 Kuntze 1891 as Humboltia obovata;
Xenia Orchidaceae Vol 3 Reichenbach 1892 drawing fide;
Flora Brasilense 3(4): 564 Cogniaux 1896 as P fasciculata;
Flora Brasilense 3(4): tab 111 Cogniaux 1896 as P fasciculata drawing fide;
Flora Brasilense 3(4): 564 Cogniaux 1896 as P minutiflora nom. illeg.;
Flora Brasilense 3(4): tab 110 Cogniaux 1896 as P minutiflora
Flora Brasilense 3(4): 563 Cogniaux 1896 as P osmosperma;
Flora Brasilense 3(4): tab 112 Cogniaux 1896 as P osmosperma;
Symbolae Antillanae Vol VI Orchidaceae Urban 1909;
Repert. Spec. Nov. Regni Veg. Beih. 35: 56 Schlechter 1925 as P modestiflora;
Arch. Jard. Bot. Rio de Janeiro 12: 171 Garay 1953 as P dendrophila var parvifoia;
Venezuelan Orchids Vol 2 Dunsterville & Garay 1961 drawing good;
Flora de Venezuela Foldats Volumen XV Part 2 1970 as P dendrophila;
Flora de Venezuela Foldats Volumen XV Part 2 1970 drawing fide;
Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 as P renipetala drawing hmm;
Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 drawing hmm;
Venezuelan Orchids Illustrated Vol 6 Dunsterville & Garay 1976 as P dendrophila drawing good;
Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 as P fasciculata drawing fide;
Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 as P dendrophila drawing good;
Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 Drawing good;
Icones Planetarum Tropicarum plate 1256 Dodson 1985 drawing ok;
Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986 as P dendrophila;
Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986 as P guentheri;
Catologo Descriptivo de Las Orquideas Cubanas Acuna 1987;
Icones Planetarum Tropicarum Series II plate 0281 Dodson & Vasquez 1989 drawing good;
An Orchid Flora Of Puerto Rico and the Virgin Islands Ackerman 1995;
Orchidaceae Antillanae Nir 2000;
Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 as P dendrophila drawing good;
Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing fide; Orchids of Bolivia Vasquez & Ibisch Vol 1 2000 photo ok/drawing fide;
Lindleyana Vol 16 No 4:248 Pridgeon & M.W.Chase 2001 as Anathallis dendrophila;
Lindleyana Vol 16 No 4:250 Pridgeon & M.W.Chase 2001 as Anathallis obovata;
Macchu Picchu Orchids Eric Christenson 2003;
Systematics and evolution of the genus Pleurothallis R. Br. (Orchidaceae) in the Greater Antilles Hagen Stenzel 2004 drawing fide;
The Organ Mountain Range Its History and Its Orchids Miller, Warren, Miller and Seehawer 2008 as P fasciculata drawing ok;
The Organ Mountain Range Its History and Its Orchids Miller, Warren, Miller and Seehawer 2008 as P fasciculata var densiflora drawing ok;
Rodriguésia 70: e02722017 Anathallis (Orchidaceae: Pleurothallidinae) no estado do Paraná, Brasil Santos, Toscano and Smidt 2019 as Anathallis obovata Drawing/photo fide
Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Anathallis obovata photo fide
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