Trigonidium riopalenquense Dodson 1977

Photo by © Alejandro Calderon Gonzales

and

Common Name The Rio Palenque Trigonidium

Flower Size .8" [2 cm]

Found in Guatemala, Nicaragua, Costa Rica, Colombia and Ecuador in wet lowland forests at elevations of 50 to 1000 meters as a small sized, hot growing epiphyte with elliptic, slightly flattened, slightly ridged pseudobulbs carrying 2, apical, narrowly linear, acute, becoming conduplicate below into the clasping base leaves that blooms in the summer through fall on numerous, basal, 8" [20 cm] long, single flowered inflorescence

Synonyms Maxillaria soulangeana Molinari 2015

References W3 Tropicos, Kew Monocot list , IPNI ; * Selbyana 2:56 Dodson 1977 drawing fide; Icones Planetarum Tropicarum Plate 347 Dodson 1980 drawing ok; Orchids from The Coast Of Ecuador Arosemana, Jurado, Estrada and Konanz 1988 photo fide; Icones Planetarum Tropicarum Plate 1399 Atwood 1989 drawing ok; Rudolf Schlechter Die Orchideen lieferung 29 1777 - 1840 Brieger 1994 photo fide; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1999 drawing fide; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 drawing ok; Native Ecuadorian Orchids Vol 5 Dodson 2004 photo ok; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018

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