Oncidium hagsaterianum R. Jiménez & Soto Arenas 1993 SECTION Oblongata

TYPE Drawing TYPE Photo/TYPE Drawing by R Jimenez By © Hagsater and courtesy of The Epidendra Website


Another Flower Photo by Robert Weyman Bussey

Common Name Hagsater's Oncidium [Mexican Orchidist speciast in the Genus Epidendrum current]

Flower Size .68 to 1" [1.7 to 2.5 cm]

Found from Vera Cruz and Chiapas states of Mexico and Guatemala on the Atlantic slopes in perrenial forsts at elevations of 150 to 1400 meters as a medium sized, hot to cool growing epiphyte with a short rhizome giving rise to oblong-ovoid to elliptic, compressed, dark green, longitudinally sulcate, 3 ribbed pseudobulbs enveloped basally by 4, subcoriacous, leafless and the uppermost leaf bearing sheaths carrying 1 to 2, apical, erect-arcuate, linear-lanceolate, subcoriaceous, acute, basally conduplicate leaves that blooms in the late spring through earlier winter on an axillary, from a mature pseudobulb, developing over most of the year, 1 to 2 per pseudobulb, peduncle 7.2 to 12.8" [18 to 32 cm] long, laxly paniculate, shortly branched, each branch well spaced, each branch 1.2 to 4" [3 to 10 cm] long, longer in cultivation, erect-arcuate to scandent, 32 to 72" [80 to 180 cm] long overall, almost simultaneously 30 to 85 flowered inflorescence with narrowly triangular, scarious-papery, acute, amplexicaul bract and cuculate, triangular, scarious-papery, acute, amplexcual floral bracts and carryuing lightly fragrant flowers. .

Related to and often cited as a synonym of Oncidium wentworthianum but differs mostly in the calli on the lip.


ReferencesW3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 30 No 9 1961 as Oncidium wentworthianum; *Orquídea (Méx.) 13(1-2): 159-164 Rolando Jiménez Machorro y Miguel Angel Soto Arenas 1993. drawing/photo fide; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Oncidium Vol 2 Koniger 2005 photo/drawing as O wentworthianum; Las Orquideas del Peru Izerskyy & Bezverhov 2011 photo not?; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018