Pleurothallis modestissima Rchb.f. & Warm. 1881 SUBGENUS Acianthera
Photos courtesy of © Dalton Holland Baptista
Drawing by © Helmut Seehawer
Common Name or Meaning The Most Modest Pleurothallis
Flower Size
Found in Minas Gerais and Rio de Janiero states of Brazil at elevations of 1300 to 1400 meters as a mini-miniature sized, warm to cool growing, long-repent epiphyte with an erect ramicaul enveloped by 2 tubular sheaths and carrying a single, apical, horizontal to slightly inclined, ovate to narrowly ovate, conduplicate, olive-green to purple, acute and hook-shaped apcaily leaf that blooms in the summer on 1 to 2, arising through a spathe, .4 to .6" [1 to 1.5 cm] long, densely five flowered inflorescence
Synonyms Acianthera modestissima (Rchb.f. & Warm.) Pridgeon & M.W.Chase 2001; Humboldtia modestissima (Rchb.f. & Warm.) Kuntze 1891
References W3 Tropicos, Kew Monocot list , IPNI ;
* Otia Botanica Hamburgensia 63 Rchb.f 1881;
Flora Brasiliensis Vol III Part 4:435 Martius, Cogniaux 1893;
Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 drawing ok;
Icones Pleurothallidonarum Vol III Systematics of Pleurothallis Luer 1986;
Lindleyana Vol 16 No 4:424 Pridgeon & M.W.Chase 2001 as Acianthera modestissima;
The Organ Mountain Range Its History and Its Orchids Miller, Warren, Miller and Seehawer 2008 drawing fide;
Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera modestissima photo fide
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