Maxillaria bolivarensis C.Schweinf. 1962 sect. Arachnites Christenson 2013 Photo by Whitten, Used under permission of Epidendra Website CR

Another Angle Photo by Ecuagenera and their Ecuador Orchid Website

Part shadeHotTo CoolLATERSpringTo EARLYSummer

Common Name or Meaning The Bolivar Maxillaria [refers to its being found in the Grand Bolivar nations of Venezuela, Colombia, Ecuador and Peru]

Flower Size 1.6" [4 cm]

Found in Guyana, Venezuela, Colombia, Ecuador, Peru and Brazil in very wet montane forests at elevations of 300 to 1200 meters as a small sized, hot to cool growing epiphtye with a short stem giving rise to ovate, flattened pseudobulbs partially enveloped below by 2 well developed leaf bearing sheaths and carrying a single, apical, thick, linear, size variable, conduplicate below into the petiolate base leaf that blooms in the spring and summer on a basal, 5" [12.5 cm] long, single flowered inflorescence enveloped by several imbricating, acuminate bracts.

This species is part of the M arachnites group and is distinguished by the white flowers with relatively short, stiff sepals.


References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR ; *Bot. Mus. Leafl. 20: 22. 1962; Venezuelan Orchids Illustrated Vol 4 Dunsterville & Garay 1966 drawing good; AOS Bulletin Vol 36 #9 1967; Flora de Venezuela Volumen 15 Parte 4 Foldats 1970 drawing good; Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 drawing fide; Orchids of Venezuela, An Illustrated Field Guide Vol 2 Dunsterville & Garay 1979 drawing good; Icones Planetarum Tropicarum Plate 146 Dodson 1980 drawing hmm; Rudolf Schlechter Die Orchideen Band 1B lieferung 28 1713 - 1776 Brieger 1993; Orchid Digest Vol 64 #1 2000 photo fide; Orchids of Venezuela [An illustrated field guide] Vol. 2 Ramiro and Carnevali 2000 drawing fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing ok; Orquideas de la Serrania del Baudo Misas Urreta 2005 as M marmoliana drawing/photo good; Orchid Digest Vol 73 #3 2009; Las Orquideas del Peru Bezverhov 2011 photo fide