Trigonidium egertonianum Bateman ex Lindl. 1838 Photo courtesy of Jay Pfahl

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Common Name Egerton's Trigonidium [English Orchid Enthusiast 1800's]

Flower Size 1 1/2" [4 cm]

Found from Mexico, Belize, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Venezuela and Guyana as a medium sized, hot to warm growing epiphyte in lowland forests at elevations of sealevel to 1000 meters with clustered, ovoid to ellipsoid, compressed pseudobulbs carrying 2 apical, linear-oblanceolate, acute to obtuse, conduplicate below into the base leaves and blooms on an erect, wiry, 1 1/2' [45 cm] long, single flowered inflorescence that has inflated, tubular bracts, and arising on a mature pseudobulb where it holds the flower at mid-leaf, occurring most in the late winter through summer although they are possible at any time of the year.

Synonyms Maxillaria brachyglossa A. Rich. & Galeotti 1845; Trigonidium brachyglossum (A. Rich. & Galeotti) Schltr. 1918; Trigonidium callistele Rchb.f. 1860; Trigonidium seemannii Rchb.f 1854; Trigonidium spatulatum Linden & Rchb.f. 1854

References W3 Tropicos, Kew Monocot list , IPNI ; Venezuelan Orchids Vol 3 Dunsterville & Garay 1965; Flora de Venezuela Foldats Volumen XV Part 4 1970; Icones Planetarum Tropicarum Plate 345 Dodson 1980; Icones Planetarum Tropicarum Plate 1189 Dodson 1984; Icones Planetarum Tropicarum Plate 1190 Dodson 1984 as Trigonidium seemanni; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1997; Orquideas de la Serrania del Baudo Misas Urreta 2006;

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