Oncidium maduroi Dressler 2000 SECTION Oncidium

Photo by Eric Hunt

Common Name Maduro's Oncidium [Panamanian Orchid Enthusiast Current]

Flower Size 1 1/2" [3.75 cm]

Found in Panama on the Atlantic coast at elevations of 1200 to 1400 meters as a medium sized, cool growing epiphyte with narrowly oblong-ovate, compressed, grooved pseudobulbs enveloped basally by 3 to 4 sheathing leaves and 1 to 2 apical, elliptic-ligulate, obtuse, apiculate, basally narrowed leaves and blooms in the summer on a lateral, 16" to 36" [40 to 90 cm] long, paniculate inflorescence with a few flowers per branch and conduplicate, acute floral bracts.

Similar to both Oncidium anthocrene and Oncidium fuscatum yet differs in the "tabula infrastigmata" beneath the stigma that has 3 connected ridges that form an "M" or "T" shape.

Synonyms Cyrtochilum maduroi (Dressler) Senghas 2001

References W3 Tropicos, Kew Monocot list , IPNI ; The Epidendra Website; *AOS Bulletin Vol 69 No 8 2000 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 44-45 pg 2763 - 2898 Brieger 2001 as Cyrtochilum maduroi photo; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Orchid Species Culture: Oncidium, Bakers 2006; Oncidium Vol 3 Koniger 2007 drawing/photo fide; Vanishing Beauty, Native Costa Rican Orchids Vol 2 Lacaena to Pteroglossa Pupulin 2020 photo fide