IOSPE PHOTOS

Rhynchostylis gigantea [Lindley] Ridley 1896

Photo by © Jay Pfahl

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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 citrus scented 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; Anota violacea (Lindl.) Schltr. 1914; Gastrochilus giganteus (Lindl.) Kuntze 1891; Gastrochilus violaceus (Lindl.) Kuntze 1891; Rhynchostylis gigantea f. harrisoniana (Hook.) M.Wolff & O.Gruss 2007; Rhynchostylis gigantea subsp. violacea (Lindl.) Christenson 1985; Rhynchostylis violacea (Lindl.) Rchb.f. 1854; Saccolabium albolineatum Teijsm. & Binn. 1864; *Saccolabium giganteum Lindley 1833; Saccolabium giganteum var. illustre Rchb.f. 1884; Saccolabium giganteum var. petotianum Rchb.f. 1885; Saccolabium harrisonianum Hook. 1864; Saccolabium violaceum (Lindl.) Sander 1901; Saccolabium violaceum var. harrisonianum (Hook.) Sander 1901; Vanda densiflora Lindley 1851-2; Vanda hainanensis Rolfe 1896; 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; Gard. Bull. Singapore 11:287 Holttum 1947 as R gigantea var harrisoniana; Flora of Malaya Vol 1 Holttum 1957; Orchid Digest Vol 24 #4 1960 as Saccolabium giganteum photo fide; AOS Bulletin Vol 31 #6 1962 photo fide; AOS Bulletin Vol 32 #1 1963; AOS Bulletin Vol 32 #1 1963 as R gigantea var harrisoniana; The Orchids of Thailand Seidenfaden & Smitinand 1963 photo fide; The Orchids of Thailand Seidenfaden & Smitinand 1963 as Saccolabium albolineatum; AOS Bulletin Vol 33 #7 1964 photo fide; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 36 #6 1966 fide; AOS Bulletin Vol 36 #5 1967 photo fide; AOS Bulletin Vol 38 No 5 1969 drawing/photo fide; AOS Bulletin Vol 39 No 10 1970 photo fide; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; AOS Bulletin Vol 47 No 6 1978 photo fide; AOS Bulletin Vol 49 No 1 1980 photo fide; AOS Bulletin Vol 57 No 1 1988 photo fide; Rudolf Schlechter Die Orchideen Band 1B lieferung 19/20 1129 - 1264 Brieger 1988 drawing/photo fide; Opera Botanica #95 Seidenfaden 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; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; A Checklist of the Orchids of Borneo Wood & Cribb 1994 photo fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; AOS Bulletin Vol 64 No 2 1995 photo fide; The Wild Orchids of China Tsi, Chen & Mori 1997; Vandas Motes 1997 photo fide; Orchid Digest Vol 62 #1 1998 photo fide;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 fide; 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 fide; Orchids of India A Glimpse Misra 2007; AOS Bulletin Vol 10 2008 photo fide; AOS Bulletin vol 78 No 5 2009 photo fide; 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; Philippine Native Orchid Species Cootes 2011 as R gigantea subsp violacea photo fide; AOS Bulletin Vol 81 #2 2012 photo fide; AOS Bulletin Vol 82 #3 2013 photo fide; AOS Bulletin Vol 83 #1 2014 photo fide; Genera Orchidacearum Vol 6 Epidendroideae Pt 3 Pridgeon, Cribb, Chase and rasmussen 2014; AOS Bulletin Vol 84 #2 2015 photo fide; Orchid Digest Vol 80 #2 2016; AOS Bulletin Vol 85 #1 2016 photo fide; AOS Bulletin Vol 85 #2 2016 photo fide; AOS Bulletin Vol 85 #3 2016 photo fide; AOS Bulletin Vol 85 #4 2016 photo fide; AOS Bulletin Vol 85 #12 2016 photo fide; AOS Bulletin Vol 88 # 1 2019 photo fide; AOS Bulletin Vol 88 #2 2019 photo fide; Orchid Digest Vol 88 #4 2019 photo fide; The Orchid Review Vol 1278 No 1330 June 2020 photo fide; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;

Rhynchostylis gigantea [Lindley]Ridley var alba 1896

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

Flower Closeup

Photo courtesy of Patricia Harding

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Common Name Chang Daeng

A red concolor version of the type Synonyms Anota violacea (Lindl.) Schltr. 1914; Gastrochilus violaceus (Lindl.) Kuntze 1891; Rhynchostylis gigantea var rubrum Sagarik; *Vanda violacea Lindl. 1841; Rhynchostylis violacea (Lindl.) Rchb.f. 1854; Saccolabium violaceum (Lindl.) Sander 1901

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; Philippine Native Orchid Species Cootes 2011 photo fide

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