Vanda denisoniana Bens. & Rchb.f. 1869 SECTION Longicalcarata
Photo by Jay Pfahl, plant grown by Orchid Acres
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LATE 
Common Name Lady Denison Londesborough's Vanda [English Orchid Enthusiast 1800's] - In Thailand - Sampoi noi - Sampoi luang - Sampoi khuntan - Sampoi dong
Flower Size 2" [5 cm]
Found in Yunnan China, Myanmar, Thailand, Laos and Vietnam in primary montane forests at elevations of 450 to 1200 meters in the Arrakan Mountains and is a large sized, clumping, hot to cool growing epiphyte with lorate to ligulate, recurved leaves that blooms in the late winter and spring on an axillary, erect, 6" [15 cm] long, few [4 to 6] flowered inflorescence and carries waxy flowers that have a sweet scent in the day and strong vanilla scent in the early evening.
Synonyms Vanda denisoniana var. tessellata Guillaumin 1933
References W3 Tropicos, Kew Monocot list , IPNI ; Otia Botanica Hamburgensia Rchb.f 1878; The Orchids of Burma Grant 1895/95; Die Orchideen Schlechter 1915 photo fide; Atlas des Orchidees Cultivees Constantin 1920 as V dennisoniana var hebraica drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1963 drawing photo fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; AOS Bulletin Vol 47 No 6 1978 photo fide; Rudolf Schlechter Die Orchideen Band 1B lieferung 19/20 1129 - 1264 Brieger 1988 photo fide; Die Orchideen lieferung 19/20 Schlechter/Brieger 1988 as V dennisoniana var hebraica; Opera Botanica #95 Seidenfaden 1988 drawing/photo fide; Thai Orchid Species Rakpaibulsombat 1992 photo fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Orchid Digest Vol 61 #2 1997 photo fide; Vandas Motes 1997 photo fide; AOS Bulletin Vol 67 No 9 1998 photo fide; AOS Bulletin Vol 68 No 2 1999 photo fide; AOS Bulletin Vol 70 No 3 2001 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 42 - 43 pg 2626 - 2762 Brieger 2001; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; AOS Bulletin Vol 72 No 8 2003 photo fide; AOS Bulletin Vol 72 # 11 2003 photo fide; AOS Bulletin Vol 74 No 9 2005 photo fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; AOS Bulletin Vol 75 No 1 2006 photo fide; Wild Orchids in Myanamar Vol 3 Tanaka 2007; AOS Bulletin Vol 79 #2 2010 photo fide; AOS Bulletin vol 78 No 12 2009 photo fide; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide; The Wild Orchids of Myanmar Taunggyi 2014 photo fide; Orchid Digest Vol 80 #2 2016; Turczaninowia 19 (3): 5–58 L. V. Averyanov, Khang Sinh Nguyen etal 2016 ; AOS Bulletin Vol 89 #2 2020 photo fide
A natural hybrid between V brunnea and V denisoniana occuring in Myanmar.
Photo by Dale and Deni Borders
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