Pleurothallis sulphurea Barb. Rodr. 1881 SUBGENUS Arthrosia Luer 1986

Flower Drawing

Drawing by Pabst

Plant and Flower Drawing

Drawing by Cogniaux

Common Name or Meaning The Sulpher Yellow Pleurothallis

Flower Size

Found in Rio de Janiero and Sao Paulo states of Brazil in montane forests as a small sized, warm to cool growing, caespitose epiphyte with erect, somewhat flexuous, light green ramicauls carrying a single, apical, erect, rigid, somewhat arcuate, subconduplicate, shiny, intense green, middle nerve is deeply canaliculate, prominently raised beneath, narrowing below into the canaliculate base leaf that blooms on an erect, filiform, terete, peduncle 1.75" to 1.92" [4.3 to 4.8 cm] long, 1 to 4 flowered inflorescence.

CAUTION!!! The photo above most likely is NOT CORRECT! My references make no mention of the bracted, opposing, 2 ranked, many, close set flowers flowers so please use with caution, the drawing by Cogniaux is more correct in my opinion.

Synonyms Acianthera sulphurea (Barb.Rodr.) F.Barros & V.T.Rodrigues 2009; Specklinia sulphurea (Barb.Rodr.) Luer 2004

References W3 Tropicos, Kew Monocot list , IPNI ;

* Gen. Spec. Orchid. 2: 15 Barb Rodr. 1881;

Flora Brasiliense Orchidaceae Vol 3 part 4:15 Cogniaux C.F.P.von Martius & auct. suc. (eds.) 1896;

Flora Brasiliense Orchidaceae Vol 3 part 4:tab 89 Cogniaux C.F.P.von Martius & auct. suc. (eds.) 1896 drawing fide;

Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 drawing hmm;

Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion Luer 2004 as Specklinia sulpherea;

Bradea 14: 23 F Barros 2009 as Anathallis sulphurea

Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera sulferea photo fide