Rhynchostylis gigantea [Lindley]Ridley 1896

Fragrance Part sunWarm to Hot Fall and Winter

Common Name The Giant Rhynchostylis - In Thailand - Chang dam - Chang kra - In China Hai NanZuan Hui Lan

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; Anota hainanensis (Rolfe) Schltr. 1919 Anota harrisoniana (Hook.) Schltr. 1914; 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; Die Orchideen Schlechter 1915 as Anota densiflora photo fide; Atlas des Orchidees Cultivees Constantin 1920 drawing good; Flora of Malaya Vol 1 Holttum 1957; The Orchids of Thailand Seidenfaden & Smitinand 1959 photo fide; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 38 No 5 1969 photo; AOS Bulletin Vol 39 No 10 1970; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; AOS Bulletin Vol 47 No 6 1978 photo; AOS Bulletin Vol 49 No 1 1980 photo; AOS Bulletin Vol 57 No 1 1988 photo; Die Orchideen lieferung 19/20 Schlechter/Brieger 1988 drawing/photo fide; AOS Bulletin Vol 61 No 5/437 1992 photo; Thai Orchid Species Rakpaibulsombat 1992 photo fide; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992 drawing fide;A Checklist of the Orchids of Borneo Wood & Cribb 1994 photo fide; AOS Bulletin Vol 64 No 2 1995 photo; The Wild Orchids of China Tsi, Chen & Mori 1997; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; AOS Bulletin Vol 69 No 4 2000 photo; A to Z of South East Asian Orchid Species Vol 1 O'Byrne 2001 photo fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; 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; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; AOS Bulletin Vol 76 No 1 2007 photo; Orchids of India A Glimpse Misra 2007; AOS Bulletin Vol 10 2008 photo; AOS Bulletin vol 78 No 5 2009 photo; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; The Atlas of Wild Orchids in Hainan Island, China Shenyan and Junmei 2010 photo fide; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide

Rhynchostylis gigantea [Lindley]Ridley var alba 1896 Photo courtesy of Patricia Harding - Copyright 2002 All rights reserved.

Common Name In Thailand Chang Phueak

An albino version of the previous species. Synonyms Rhynchostylis gigantea f. harrisoniana (Hook.) M.Wolff & O.Gruss 2007

References W3 Tropicos, Kew Monocot list , IPNI ; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; Thai Orchid Species Rakpaibulsombat 1992 as R gigantea var petoniana photo fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 as R gigantea var harrisonianum photo fide;

Rhynchostylis gigantea subsp. violacea (Lindl.) Christenson 1985 Photo by Eric Hunt and His Orchid Website.

Flower Closeup Photo courtesy of Patricia Harding

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Common Name Chang Daeng

A red Concolor version of the type Synonyms Rhynchostylis gigantea var rubrum Sagarik;

References W3 Tropicos, Kew Monocot list , IPNI ; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; Thai Orchid Species Rakpaibulsombat 1992 photo fide; Orchids Australia Vol 12 No 4 2000 photo; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti as R gigantea var rubrum 2001 photo fide; Australian Orchid Review Vol 67 No 4 2002 photo; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 as R gigantes var rubrum photo fide;

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