Phalaenopsis gigantea J.J.Smith 1909 SUBGENUS Polychilos SECTION Amboinenses Sweet 1968 Photo by Eric Hunt and His Orchid Website

to MOSTLY LATEand 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; Encyclopedia of Cultivated Orchids Hawkes 1965 photo fide; AOS Bulletin Vol 35 No 1 1966 drawing; Orchid Digest Vol 36 No 2 1972 photo fide; Orchid Digest Vol 46 No 1 1982 photo fide; Orchid Digest Vol 51 No 3 1987 photo fide; Die Orchideen lieferung 19/20 Schlechter/Brieger 1988 photo good; Schlechteriana Vol 2 No 1 1991 photo; Orchids of Borneo Vol 1 Chan, Lamb, Shim & Wood 1994 drawing/photo fide; A Checklist of the Orchids of Borneo Wood & Cribb 1994 photo/drawing fide; AOS Bulletin Vol 68 No 4 1999 photo; Phalaenopsis, A Monograph EA Christenson 2001; Orchids of Sarawak Beeman & Wood 2001 photos fide; A to Z of South East Asian Orchid Species Vol 1 O'Byrne 2001 photo fide; AOS Bulletin Vol 73 No 2 2004 photo; Australian Orchid Review Vol 72 No 4 2007 photo; Malesian Orchid Journal Vol 9 2012 photo fide

--------------------------------------------------------------------------------------------------------------------------