Rhynchostylis coelestis (Rchb. f.) Rchb. f. ex Veitch 1891 Photo courtesy of Lourens Grobler

Inflorescence Photo courtesy of Oak Hill Gardens

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Common Name The Sky-Blue Rhynchostylis - In Thailand - Ueang khao kae

Flower Size 3/4" [2 cm]

Found in Thailand, Cambodia and Vietnam in semi-deciduous and deciduous dry lowland forests and savana-like woodlands at elevations of sealevel to 700 meters as a small sized, cool to hot growing monopodial epiphyte with a stem carrying several, strap-like, fleshy, alternate leaves that blooms on an axillary, erect to arcuate, densely many flowered, racemose inflorescence with waxy, fragrant flowers occuring in the summer and fall.

Synonyms *Saccolabium coeleste Rchb. f. 1885; Vanda pseudo-coerulescens Guillaumin 1830

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1959 drawing, photo fide; Encyclopedia of Cultivated Orchids Hawkes 1965 drawing fide; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; Die Orchideen lieferung 19/20 Schlechter/Brieger 1988 as V pseudocoerulescens; Thai Orchid Species Rakpaibulsombat 1992 photo fide; AOS Bulletin Vol 63 No 2 1994 photo; AOS Bulletin Vol 64 No 2 1995 photo; AOS Bulletin Vol 66 No 8 1997 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; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; AOS Bulletin vol 78 No 5 2009 photo

Rhynchostylis coelestis var alba Photo courtesy of David Jubineau and His Bulbophyllum Pages Copyright

A white color variety of the previous species.

References W3 Tropicos, Kew Monocot list , IPNI ; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; Die Orchideen lieferung 19/20 Schlechter/Brieger 1988 drawing good; AOS Bulletin Vol 67 No 7 1998 photo;

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