!Mesospinidium warscewiczii Rchb. f. 1852
Photos by © Bogarin, Used under permission of theof The Epidendra Website<
To 
LATE 
Common Name Warscewicz' Mesopinidium [Polish Orchid Collector in Central and South America 1800's]
Flower Size .4" [1 cm]
Found from Nicaragua to Panama in premontane cloud forests at elevations of 800 to 1200 meters as a miniature to small sized, warm to cool growing, caespitose epiphyte to 10" [25 cm] tall with elliptic-ovoid, laterally compressed pseudobulbs subtended by two or more leaf-bearing sheaths and has a single, apical, elliptic-lanceolate, subcoriaceous, carinate beneath, acute, conduplicate below into the petiolate base leaf, that blooms in the fall on a lateral, arcuate, or subpendant, 8 to 10" [20 to 25 cm] long, panicle arising on a mature pseudobulb with 10 to 15 smaller flowers that are loosely situated on the branches.
This species is very similar to M endresii which is often and correctly cited as a synonym of this species, but they differ in that M warscewiczii has a single apical leaf and larger, different colored flowers. Presently they are considered the same species even with these differences.
Synonyms Brassia endresii (Kraenzl.) ined; Brassia filiana M.W.Chase 2011; Mesospinidium endresii (Kraenzl.) Garay ex H.R.Sweet 1973; Solenidium endresii Kraenzl. 1922
References W3 Tropicos, Kew Monocot list , IPNI *Bot. Zeitung (Berlin) 10(53): 929. 1852; Xenia Orchidaceae Rchb.f 1854 drawing; Die Orchideen Schlechter 1915; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Solenidium endresii; Repert. Sp. Nov. Regni. Veg. Beih. 19: 254. Costa Rica Schlechter 1923; Icones Planetarum Tropicarum plate 874 Dodson 1983 drawing fide; Icones Planetarum Tropicarum plate 1565 Atwood 1993 drawing fide; Icones Planetarum Tropicarum plate 1565a Atwood 1993 drawing fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo ok; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 as M endresii; 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 fide; Orchid Species Culture: Oncidium, Bakers 2006; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018; Vanishing Beauty, Native Costa Rican Orchids Vol 2 Lacaena to Pteroglossa Pupulin 2020 photo fide
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