Pleurothallis johnsonii Ames 1923 SUBGENUS Acianthera SECTION Brachystachyae Lindley 1859
Photo by © John Varigos
Photo by © Ron Parsons
Photo by © Weyman Bussey
Photos by © Mario Velasquez and his Flickr Orchid Photo Website
Common Name Johnson's Pleurothallis [American Original Collector of species 1900's]
Flower Size 3/4" wide [2 cm]
Found in Mexico, Guatemala, El Salvador, Honduras, Costa Rica and Panama in primary and secondary pine/oak forests at elevations of 1000 to 2450 meters as a medium sized, warm growing litho-terrestrial on road cuts and cliffs with terete, 3 to 4 noded ramicauls enveloped completely by imbricating, laterally compressed sheaths and carrying a single, apical, erect, elliptic to oblong-elliptic, acute, gradually narrows below into the conduplicate base leaf that flowers in the summer and fall on a basal, creeeping, racemose, 2" [5 cm] long, 5 to 7 flowered infloresence carrying foul smelling flowers.
Synonyms Acianthera johnsonii (Ames) Pridgeon & M.W. Chase 2001; Brenesia johnsonii (Ames) Luer 2004;
References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Guatemala and Belize Ames & Correll 1952 Encyclopedia of Cultivated Orchids Hawkes 1965; Las Orquedias De El Salvador Vol 2 Hamer 1974 drawing hmm/photo hmm; Las Orquedias de El Salvador Vol 3 Hamer 1981 drawing hmm; Systematics of Pleurothallis Vol 3 Luer 1986; Guatemala Y Sus Orquideas Behar & Tinschert 1998 photo fide; Lindleyana Vol 16 No 4 2001 as Acianthera johnsonii; Icones Orchidacearum 5 & 6 Orchids Of Mexico Parts 2 & 3 Plate 509 Hagsater, Soto 2002 as Acianthera johnsonii drawing fide to the first 2 photos; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Australian Orchid Review Vol 69 No 4 2004 photo; Icones Pleurothallidinarum Vol XXVI Luer 2004 as Brenesia johnsonii; Guia de Orquideas de Chiapas Carlos Rommel Beutelspacher Baigts 2013 as Acianthera johnsonii photo fide; Diversity of Pleurothallidinae in Guatemala: An Endangered Orchid Subtribe with High Economic and Horticultural Potentials Edgar Mo Mo, Cetzal, Basu and Vega 2017 as Acianthera johnsonii photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Acianthera johnsonii; Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera johnsonii photo fide
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