Trigonidium grande Garay 1957 Photo courtesy of Eric Hunt

Plant and Flowers Photos courtesy of Lourens Grobler

LATE THROUGH

Common Name or Meaning The Large Trigonidium

Flower Size 3 1/5" [8 cm]

Found in Ecuador and Peru in extremely wet montane forests on the easten side of the Andes at elevations of 320 to 1500 meters as a small sized, hot to cool growing epiphyte with an elongate rhizome carrying ovate, reddish green, rugose pseudobulbs enveloped basally by 2 to 3 scarious sheaths and carrying 4, apical, strap-shaped, reddish green, acute leaves that are conduplicate below and basally petiolate that blooms in the late spring through fall on an erect, basal, 6 2/5" [16 cm] long, single flowered inflorescence arising on a mature pseudobulb and enveloped completely by inflated, imbricating sheaths

References W3 Tropicos, Kew Monocot list , IPNI ; *AOS Bulletin Vol 26 No 1 1957 drawing; Icones Planetarum Tropicarum Plate 499 Dodson 1982 drawing ok; Die Orchideen lieferung 29 Schlechter/Brieger 1994; Native Ecuadorian Orchids Vol 5 Dodson 2004 drawing/photo fide; Orchid Species Of Peru Zelenko & Bermudez 2009 photo fide

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