Phalaenopsis gigantea J.J.Smith 1909 SUBGENUS Polychilos SECTION Amboinenses Sweet 1968 Photo by © Eric Hunt and His Orchid Website
to 
MOSTLY LATE
and EARLY 
Common Name The Gigantic Phalaenopsis - refers to the large leaves
Flower Size 1 1/2 to 2 3/4" [3.75 to 7 cm]
Found in Sabah, Borneo, and Sarawak, in lowland to hill forests at elevations of sealevel to 400 meters, this large sized, warm to hot growing, understory epiphyte has short stems completely enveloped by persistent, imbricating leaf sheaths and carrying 5 to 6, pendulous, leathery, shiny on both sides, elliptic to oblong-ovate, shiney, bluish green, obtuse leaves that can bloom at any time but mostly in the late summer and early fall on a 6 to 15" [15 to 40 cm] long, racemose or paniculate, pendulous, many flowered inflorescence with small, triangular bracts and sweetly fragrant, simultaneously opening flowers. The inflorescence if still green and undamaged can flower for several seasons so it is best to leave them on.
Synonyms Phalaenopsis gigantea f. decolorata (Braem ex Holle-De Raeve) Christenson 2001; Phalaenopsis gigantea var. aurea Christenson 2001; Phalaenopsis gigantea var. decolorata Braem ex Holle-De Raeve 1991; Polychilos gigantea (J.J. Sm.) Shim 1982
References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 30 No 9 1961; AOS Bulletin Vol 35 No 1 1966 drawing; Orchid Digest Vol 46 No 1 1982 photo; Schlechteriana Vol 2 No 1 1991 photo; Orchids of Borneo Chan, Shim, Lamb & Wood 1994; A Checklist of the Orchids of Borneo Wood & Cribb 1994; AOS Bulletin Vol 68 No 4 1999 photo; Phalaenopsis, A Monograph EA Christenson 2001; AOS Bulletin Vol 73 No 2 2004 photo; Australian Orchid Review Vol 72 No 4 2007 photo;
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