Pleurothallis johnsonii Ames 1923 SUBGENUS Acianthera SECTION Brachystachyae Lindley 1859

Photo by John Varigos

Flowers from Above

Photo by Ron Parsons

Another View

Photo by Weyman Bussey

Another Flower form?

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; 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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