Ada keiliana (Rchb. f. ex Lindl.) N.H. Williams 1972
Photo by © Jay Pfahl
Photo courtesy of Timo Grather
to 
Common Name or Meaning Dr. Keil's Ada [German Orchid Enthusiast 1800's]
Flower Size 6" [15 cm]
Found in Colombia and Venezuela as a medium to large sized, cool to warm growing epiphyte with pyriform, smooth, compressed pseudobulbs subtended by several leaf bearing sheaths and carrying a single, apical, linear-lanceolate, thin textured, acute, conduplicate below into an elongate, narrow, petiole-like base leaf that blooms on an axillary, erect, 1 1/2' [45 cm] long, loosely few [2 to 4] flowered, racemose inflorescence arising on a newly matured pseudobulb through the axil of the leaf-bearing sheath and has papery, pale green lanceolate bracts that has showy, waxy, fragrant flowers occuring in the spring and summer.
Synonyms Brassia cinnamomea Linden ex Lindl. 1854; Brassia havanensis Lindl. 1854; *Brassia keiliana Rchb. f. ex Lindl. 1852-3; Brassia keiliana var. tristis Rchb.f. 1863 ; Brassiopsis keiliana (Rchb.f. ex Lindl.) Szlach. & Górniak 2006; Oncidium keilianum Rchb. f. 1864
References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854 as Brassia keiliana; Xenia Orchidaceae Rchb.f 1854 as Brassia keiliana Drawing; Die Orchideen Schlechter 1915 as Brassia keiliana; Atlas des Orchidees Cultivees Constantin 1920 as Brassia keiliana drawing ok; AOS Bulletin Vol 30 No 5 1961 as Brassia keiliana; Venezuelan Orchids Vol 2 Dunsterville & Garay 1961 as Brassia keiliana drawing fide; Encylopedia of Cultivated Orchids Hawkes 1965 as Brassia keiliana; AOS Bulletin Vol 36 # 9 1967 as Brassia keiliana Flora de Venezuela Volumen XV Part 5 Foldats 1970 as Brassia keiliana drawing ok; Venezuela, Paraiso de Orquideas Romero 1997 as Brassia keiliana photos fide; Orchid Digest Vol 42 No 5 1978 as Brassia keiliana photo ok; Orchids of Venezuela ; An Illustrated Field Guide Vol 1 Dunsterville & Garay 1979 as Brassia keilana drawing fide; Native Colombian Orchid Vol 1 COS 1990 photo fide; The Manual of Cultivated Orchids Bechtel, Cribb, Launert 1992 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 as Brassia keiliana photo fide; Orchids of Venezuela [An illustrated field guide] Vol. 1 Ramiro and Carnevali 2000 drawing fide; The Pictoral Encyclopedia of Oncidium Zelenko 2005; AOS Bulletin Vol 78 #2 2009 photo fide; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 87 #1 2018 as Brassia keilana photo fide; Orchids, A Colombian Treasure Vol 1 Ortiz & Uribe 2014 drawing/photo fide
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