Ascocentrum aurantiacum (J.J. Sm.) Schltr. 1913
Photo by © Eric Hunt
Photo by © Timothy Choltco
to 
Common Name The Orange Ascocentrum
Flower Size 3/8"+ [1 cm]
Found in Bali, Sulawesi and the Philippines at elevations up to 1200 meters as a monopodial hot to cool growing epiphyte in dark forests and blooms in the spring on an erect, 4" [10 cm] long, many flowered, racemose inflorescence.
The orchid in the photograph is from Sulawesi, the deep orange type not the Phillipine subspecies.
Synonyms *Saccolabium aurantiacum J.J. Sm. 1910; Saccolabium miniatum var. crinitum Rchb.f. 1884; Vanda aurantiaca ( Schltr. ) L.M.Gardiner 2012; Vanda aurantiaca ( Schltr. ) L.M.Gardiner subsp. philippinensis ( Christenson ) L.M.Gardiner 2012
References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 32 No 1 1963; AOS Bulletin Vol 36 #5 1967 photo ok; AOS Bulletin Vol 55 #2 1986 photo fide; Rudolf Schlechter Die Orchideen Band 1B lieferung 19/20 1129 - 1264 Brieger 1988; The World's Most Beautiful Orchids Allikas & Nash 2005 photo fide; AOS Bulletin Vol 81 #2 2012 photo fide;
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