Oncidium endocharis Rchb. f. 1884 SECTION Concoloria
Photo by © Karl Senghas and The Swiss Orchid Foundation at the Jany Renz Herbaria Website
Photo by © Bill Pinnix
Common Name The Graceful Oncidium
Flower Size 1 1/4" [3 cm]
Found in El Salvador, Guatemala, Honduras? and Mexico in forests on trees and rocks at elevations of 1350 to 2300 meters as a medium sized, cool to cold growing epiphyte or lithophyte that requires a dry winter rest and has rather small, ovate, laterally compressed, ancipitous with 3 small ribs on each side, slightly sprinkled red-brown pseudobulbs partially enveloped basally by thin, dry, papery sheaths and carrying a single, apical, leathery, strap-shaped to linear-elliptic, rounded apically, narrowing below into a conduplicate base leaf that blooms in the winter and early spring on a basal erect to arching, 7 to 14" [17.5 to 36 cm] long, laxly several [10 to 12] flowered, racemose inflorescence arising on a newly matured pseudobulb and having small, triangular to ovate, acute, concave, thin, dry floral bracts and 4 to 10 somewhat cupped flowers.
Synonyms Concocidium endocharis (Rchb.f.) Romowicz & Szlach. 2006; Oncidium brachyandrum var. johannis (Schltr.) L.O.Williams 1955; Oncidium johannis Schltr. 1912
References W3 Tropicos, Kew Monocot list , IPNI ;
Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 drawing ok; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium johannis; AOS Bulletin Vol 26 No 10 1957 as O johannis; Las Orquedias De El Salvador Vol 2 Hamer 1974 drawing/photo fide; Las Orquedias de El Salvador Vol 3 Hamer 1981 drawing ok; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo fide; Orquideologia Vol 23 #2 2004 drawing fide; Oncidium Vol 1 Koniger 2004 drawing/photo fide; Orchid Species Culture: Oncidium, Bakers 2006; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Icones Orchidacearum 5 - 6 Orchids of Mexico Part 2 - 3 Plate 630 Hagsater & Soto 2002 drawing ok; Orquideologia Vol. 23 No 2 2004; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 photo fide
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