Pleurothallis grobyi Bateman ex Lindl. 1835 SUBGENUS Specklinia SECTION Hymenodanthae SUBSECTION Longicaulae [Barb. Rodr.] Luer 1986

Photo by © Daniel Jimenez


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Photo by © Dale and Deni Borders.

Specimen plant

Photo by © Marius Wasbauer.

Clear Yellow Flower Form

Pure white Color form

Photos by © Jay Pfahl

Full ShadeCold to HotWinterSpringSummerFall

Common Name Groby's Pleurothallis [English Orchid Enthusiast 1800's]

Flower Size less than 1/8" [4 mm]

A miniature, cold to hot growing, caespitose, epiphytic species found from Mexico, Belize, Guatemala, El Salvador, Nicaragua, Costa Rica, Venezuela, Colombia, Ecuador, Peru, Brazil, French Guiana, Surinam and Guyana in cool lower cloud forest, piedmont forests and gallery forests at elevations of 60 to 3200 meters, with a single, apical, sub-orbicular-oval to elliptic, attenuate to a channeled petiolate base, tridenticulate leaf blooming on an apical, racemose, 1" to 6" [2 to 8 cm] long, longer than the leaf, fractiflex inflorescence with a triangular bract and carrying few successively opening flowers that can be variable in color and blooming times.

Needs to be mounted on treefern and given warm to cool temperatures with good shade, high humidity and ample air movement.

Synonyms Humboldtia crepidophylla (Rchb.f.) Kuntze 1891; Humboldtia grobyi (Bateman ex Lindl.) Kuntze 1891; Humboldtia trilineata (Barb.Rodr.) Kuntze 1891; Humboltia crepidophylla (Rchb. f.) Kuntze 1891; Humboltia grobyi (Bateman ex Lindl.) Kuntze 1891; Humboldtia marginalis (Rchb. f.) Kuntze 1891; Lepanthes marmorata Barb.Rodr. 1881; Lepanthes trilineata (Barb.Rodr.) Barb.Rodr 1881; Pabstiella ezechiasi (Hoehne) Luer 2007; Pleurothallis arevaloi Schltr. 1924; Pleurothallis barbosae Schltr. 1921; Pleurothallis biglandulosa Schltr. 1922; Pleurothallis choconiana S. Wats. 1888; Pleurothallis crepidophylla Rchb. f. 1878; Pleurothallis ezechiasi Hoehne 1946; Pleurothallis grobyi var. marmorata (Barb.Rodr.) Garay 1951; Pleurothallis grobyi var. trilineata (Barb.Rodr.) Cogn. 1896; Pleurothallis lindleyana Cogn. 1896; Pleurothallis marginalis Rchb. f. 1855; Pleurothallis marginata (Rich.)Cogn 1896; Pleurothallis marmorata (Barb.Rodr.) Cogn. 1896; Pleurothallis marmorata var. concolor Cogn. 1906; Pleurothallis panamensis Schltr. 1921; Pleurothallis pergracilis Rolfe 1893; Pleurothallis perplexa Rchb.f. 1860; Pleurothallis surinamensis H.Focke 1849; Pleurothallis trilineata Barb.Rodr. 1877; Specklinia biglandulosa (Schltr.) Pridgeon & M.W.Chase 2001; Specklinia ezechiasi (Hoehne) Luer 2004; Specklinia grobyi (Bateman ex Lindl.) F. Barros 1984; Specklinia marginalis (Rchb.f.) F.Barros 1983 publ. 1984

References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR ; Bonplandia Rchb.f 1855 as P marginalis; Otia Botanica Hamburgensia Rchb.f 1878 P crepidophylla; Revis. Gen. Pl. 2: 667. 1891 as Humboldtia grobyi; Symbolae Antillanae Vol VI Orchidaceae Urban 1909; Die Orchideen Schlechter 1915; Repert. Sp. Nov. Regni. Veg. Beih. 17: 21. Panama Schlechter 1922 as P panamaense; Beitrage Zur Orchideenkunde Von Colombia 27:43 Schlechter 1924 as P arevaloi; The Orchids of Panama L.O. Williams & P Allen 1946 drawing fide; Orchids of Guatemala and Belize Ames & Correll 1952 drawing fide; Venezuelan Orchids Vol 2 Dunsterville & Garay 1961 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 36 #9 1967; Flora de Venezuela Foldats Volumen XV Part 2 1970 drawing fide; Las Orquedias De El Salvador Vol 2 Hamer 1974 drawing/photo fide; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 7 385 - 448 Brieger, Maatsch and Senghas 1975 drawing/photo fide; Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 as P ezexhiasi drawing ok; Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 as P marginalis drawing ok; Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 drawing ok; AOS Bulletin Vol 48 No 5 1979; Orquídea (Mexico City), n.s., 7[3]: 1979; Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing fide; Miniature Orchids Northen 1980; Icones Planetarum Tropicarum plate 232 Dodson 1980 drawing fide; Las Orquideas de El Salvador Vol 3 Hamer 1981 drawing ok; AOS Bulletin Vol 52 No 6 1983 photo fide; Icones Planetarum Tropicarum plate 1107 Dodson 1984 drawing fide; Systematics of Pleurothallis Vol 3 Luer 1986 as Pleurothallis biglandulosa; Systematics of Pleurothallis Vol 3 Luer 1986; The Orchids of Surinam Werkhoven 1986; Catologo Descriptivo de Las Orquideas Cubanas Acuna 1987; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Orchids of Brazil McQueen 1993 photo good; Orchids of the High Mountain Atlantic Rainforest in SE Brazil Warren & Miller 1994 as P ezechiasi drawing/photo good; Icones Orchidacearum Peruviarum Plate 353 Bennett & Christenson 1995 drawing fide; Orchidaceae Antillanae Nir 2000; Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing fide; Orchids of Bolivia Vol 1 Pleurothallidinae Vasquez & Ibisch 2000 drawing/photo fide; Lindleyana Vol 16 No 4 2001 as Specklina biglandulosa; Lindleyana Vol 16 No 4 2001 as Specklina grobyi; Harvard Pap. Bot. 5 #2: Carnevali etal. 2001; Native Ecuadorian Orchids Vol 4 Dodson 2003 drawing ok; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003; Icones Pleurothallidinarum Vol XXVI Luer 2004 as Specklinia ezechiasi; Icones Pleurothallidinarum Vol XXVIII Luer 2006 as Specklinia grobyi drawing fide; 100 Orquideas Argentinas Freuler 2005 photo fide; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo fide; Icones Pleurothallidinarum Vol XXIX Luer 2007 as Pabstiella ezechiasi; AOS Bulletin Vol 77 No 11 2008; The Organ Mountain Range Its History and Its Orchids Miller, Warren, Miller and Seehawer 2008 drawing fide; The Organ Mountain Range Its History and Its Orchids Miller, Warren, Miller and Seehawer 2008 as P marginalis drawing ok; Orchid Species Of Peru Zelenko & Bermudez 2009 photo fide as Specklinia grobyi; Orchids of Costa Rica Vol 5 Morales 2009 photo fide; Mille et Une Mini Orchideees Roguenant 2009 as Specklinia grobyi photo fide; AOS Bulletin Vol 81 #1 2012 as Specklinia grobyiphoto fide; Orquideas de Roirama Luz & Franco 2012 as Specklinia grobyi photo fide; AOS Bulletin Vol 83 #1 2013 photo fide; AOS Bulletin Vol 87 #1 2018 drawing fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Specklinia grobyi; Orchid Digest Vol 83 #3 2019 as Specklinia grobyi photo fide; Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Specklinia grobyi photo fide