Rhynchostylis gigantea [Lindley]Ridley 1896

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Common Name The Giant Rhynchostylis - In Thailand - Chang dam - Chang kra
Flower Size about 1" [2.5 cm]
This species occurs in Myanamar, Thailand, Malaysia, Laos, Cambodia, Vietnam, Hainan China, Borneo, and the Philippines in semi-deciduous and deciduous dry lowland forests and savana-like woodlands at elevations of sealevel to 700 meters as a medium sized, monopodial, warm to hot growing, vandanaceous epiphyte with a stout stem carrying imbricating at the base, linear, very thick, channeled, acute lobed apically leaves. The axillary, arcuate, to 15" [37 cm] long, racemose, densely many flowered inflorescence, which appear in autumn and winter, have sweetly fragrant blooms that last for about two weeks. They need ample bright light and even watering and fertilizer through out the year.
Synonyms Anota densiflora Schlechter 1914; Anota gigantea (Lindl.) Fukuy. 1944; Gastrochilus giganteus (Lindl.) Kuntze 1891; Rhynchostylis gigantea subsp. violacea (Lindl.) Christenson 1985; Saccolabium albolineatum Teijsm. & Binn. 1864; *Saccolabium giganteum Lindley 1833; Vanda densiflora Lindley 1851-2; Vanda violacea Lindl. 1841
References W3 Tropicos, Kew Monocot list , IPNI ;
Orchids of Burma Grant 1895/1995 as V densiflora; The Orchids of Thailand Seidenfaden & Smitinand 1959 photo fide; AOS Bulletin Vol 61 No 5/437 1992 photo; A Checklist of the Orchids of Borneo Wood & Cribb 1994; AOS Bulletin Vol 64 No 2 1995 photo; The Wild Orchids of China Tsi, Chen & Mori 1997; AOS Bulletin Vol 69 No 4 2000 photo; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; AOS Bulletin Vol 73 No 7 2004 drawing; Australian Orchid Review Vol 70 No 5 2005; Wild Orchids in Myanamar Vol 2 Tanaka 2004; AOS Bulletin Vol 76 No 1 2007 photo; AOS Bulletin Vol 10 2008 photo; AOS Bulletin vol 78 No 5 2009 photo
Rhynchostylis gigantea [Lindley]Ridley var alba 1896
An albino version of the previous species.
Rhynchostylis gigantea rubrum Sagarik
Flower Closeup Photo courtesy of Patricia Harding
References W3 Tropicos, Kew Monocot list , IPNI ; Orchids Australia Vol 12 No 4 2000 photo; Australian Orchid Review Vol 67 No 4 2002 photo;
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