Pleurothallis lanceana Lodd. 1831 SUBGENUS Acianthera [Scheidw.] Luer 1986
Photo by Ecuagenera and their Ecuador Orchid Website
Another Clone? Much longer petals
Photo by © Lourens Grobler
TYPE Drawing by © Loddiges and The Epidendra Website
Drawing by © Carl Luer
to 
Common Name Lance's Pleurothallis [English Orchid Enthusiast 1800's]
Flower Size .4" [1 cm]
Found from Costa Rica, Panama, Colombia, Ecuador, Peru, Bolivia and Venezuela as well as Trinidad as a miniature, creeping or caespitose, hot to warm growing epiphyte that occurs in montane rain forest and evergreen forests at elevations of 0 to 2100 meters with a terete ramicaul with a single, apical, elliptic, obtuse, apiculate, thicker along the midrib, thickly coriaceous, gradually narrows below into the channeled petiole leaf and blooms in the summer, fall and winter on an apical, 4.5 to 5" [9 to 11 cm] long, suberect to horizontal to pendulous, racemose, successively few, several flowered inflorescence with small, ovate-triangular, acuminate, as long as the pedicel floral bracts and carrying the flowers at mid-leaf to as much longer that the leaf.
"Variable vegetatively in size, the raceme being shorter than to much longer than the leaf in length. The sepals are a shade of yellow orange while the synsepal is conspicuously suffused with red-brown below the middle. The sepals are variously ciliate and the calli of the lip vary in different proportions." Luer 2004
Synonyms Acianthera lanceana (G.Lodd.) Pridgeon & M.W.Chase 2001; Humboldtia crassifolia (H.Focke) Kuntze 1891; Humboldtia lanceana (Lodd. ex Lindl.) Kuntze 1891; Humboltia crassifolia (Focke) Kuntze 1891; Humboltia lanceana (Lodd.) Kuntze 1891; Pleurothallis crassifolia Focke 1849; Pleurothallis huebneri Schltr. 1925
References W3 Tropicos, Kew Monocot list , IPNI ;
* Bot. Cab. 18(177): pl. 1767. Lodd. 1832 drawing fide;
Venezuelan Orchids Vol 4 Dunsterville & Garay 1966 drawing fide;
Flora de Venezuela Foldats Volumen XV Part 2 1970 drawing fide;
Fieldiana Biology, Vol 33, 1st Supple. to the Orchids of Peru Schweinfurth 1970;
Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 drawing hmm;
Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing fide;
Icones Planetarum Tropicarum plate 238 Dodson 1980 drawing fide;
Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;
The Orchids of Surinam Werkhoven 1986;
Orchids from The Coast Of Ecuador Arosemana, Jurado, Estrada and Konanz 1988 photo ok;
The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992;
Icones Orchidacearum Peruviarum Plate 161 Bennett & Christenson 1993 drawing fide;
Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing fide;
Orchids of Bolivia Vasquez & Ibisch Vol 1 2000;
Lindleyana Vol 16 No 4:244 Pridgeon & M.W.Chase 2001 as Acianthera lanceana;
Orquideas Nativas del Tachira Cesar Fernandez 2003 photo ok;
Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing ok;
Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003;
Vanishing Beauty, Native Costa Rican Orchids Vol 1 2005 as Acianthera lanceana photos fide;
Orchid Species of Peru Zelenko Bermudez 2009 photo fide as Acianthera lanceana;
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 lanceana;
Phytotaxa 422 (3) Two new Pleurothallidinae (Orchidaceae) from Southwestern Ecuador: Acianthera pustulata and Lepanthes marioiZambrano 2019 as Acianthera lanceana drawing fide;
--------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------------------------
