Dendrobium formosum Roxb. ex Lindl. 1830 SECTION Formosae TYPE for the Section

Flower Closeup

Photos by Jay Pfahl

FragrancePart sunCoolTo HotFallTo Winter

Common Name The Beautiful Giant-Flowered Dendrobium - In Thailand Ueang ngoen luang - Ueang ta hoen - Ueang khi phueng

Flower Size 5" or less [12.5 cm less]

Found in Assam, Bangladesh, eastern Himalayas, India, Nepal, Sikkim, Andaman Islands, Myanmar, Thailand and Vietnam at elevations of 900 to 2300 meters as a small to medium sized, warm to cold growing epiphyte with medium sized, terete, erect stems that are leafy in the upper 2 thirds and carries spreading, coriaceous, oblong-elliptic, obtuse leaves that are articulated to the hirsute, tubular leaf-sheaths below that blooms in the fall to winter on a short, axillary or terminal raceme with 1 to 4, fragrant flowers that arise from the nodes near the apex of the leafy mature cane

This species does well in wood slat baskets.

Synonyms Callista formosa (Roxb.) Kuntze 1891; Dendrobium formosum var. giganteum W.Bull 1864; Dendrobium infundibulum Rchb.f not Lindley ?

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Burma Grant 1895/1995; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910 as D formosum var berkeleyi; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Die Orchideen 2 Auflage Schlechter 1927; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 drawing fide; Flora of Malaya Vol 1 Orchids Holttum 1953; AOS Bulletin Vol 27 No 3 1958 drawing ok; The Orchids of Thailand Seidenfaden & Smitinand 1960 photo fide; The Orchids of Thailand Seidenfaden & Smitinand 1959 as D formosum var giganteum; AOS Bulletin Vol 33 No 10 1964 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections; Encyclopedia of Cultivated Orchids Hawkes 1965; Beautiful Indian Orchids and How to grow them Ghose 1968 drawing fide; Orchid Digest Vol 38 #4 1974 photo fide; AOS Bulletin Vol 44 #9 1975 photo fide; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; AOS Bulletin Vol 48 No 3 1979 as D formosanum var giganteumphoto fide; Indian Orchids: A guide to Identification and Culture Vol II Pradhan 1979 photo fide; Indian Orchids: A guide to Identification and Culture Vol II Pradhan 1979 D formosum var berkleyi; Orchids of Asia Soon 1980 photo hmm; Die Orchideen lieferung 11/12 Schlechter/Brieger 1981; A Guide to Orchids of the World Hodgson, Paine & Anderson 1991 Photo fide; Thai Orchid Species Rakpaibulsombay 1992 photo fide; The Illustrated Encyclopedia of Orchids Pridgeon 1992; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Laurent 1992 photo fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Manual of Orchids Stewart 1995; AOS Bulletin Vol 65 No 8 1996 photo fide; Orchid Species Culture; Dendrobium Bakers 1996; Oasis Vol 1 No 3 2000 photo; Dendrobium and its Relatives Lavarack, Harris and Stocker 2000 photo fide; The Orchids of the Philippines Cootes 2001; Orchid Flora of Kamrup District Assam Iswar Chandra Barua 2001; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; Beautiful Orchids of Nepal Rajbhandari & Bhattarai 2001 photo fide; Botanica's Orchids 2002 photo fide; Orchids of Bhutan Pearce & Cribb 2002; AOS Bulletin Vol 73 No 3 2004; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; Flora's Orchids Nash & La Croix 2005 photo fide; The Dendrobiums H. P. Wood 2006 photo fide;Wild Orchids in Myanamar Vol 3 Tanaka 2007 photo fide; Orchids of India A Glimpse Misra 2007 photo fide; Wild Orchids of Myanmar Hyan Tun [Mr Myanmar] 2014 Photo fide; Genera Orchidacearum Vol 6 Epidendroidee Pt 3 Pridgeon, Cribb, Chase and Rasmussen 2014 photo fide; Orchids of Odisha Misra 2014 drawing/photo fide