Dendrobium formosum

{{Short description|Species of orchid from Asia}}

{{Speciesbox

|name = Beautiful giant-flowered dendrobium

| image = Dendrobium formosum - Edwards vol 25 (NS 2) pl 64 (1839).jpg

|image_caption=1839 illustrationMiss Drake (1803-1857) del. , G. Barclay sc. - Edwards's Botanical Register, volume 25 (NS 2) plate 64 (http://www.botanicus.org/page/241251)

| taxon = Dendrobium formosum

| authority = Roxb. ex Lindl. (1830)

|synonyms_ref =

| synonyms = *Dendrobium formosum var. giganteum W.Bull

• Callista formosa (Roxb. ex Lindl.) Kuntze

}}

Dendrobium formosum (beautiful giant-flowered dendrobium) is a species of orchid.

It is native to the Himalayas (Nepal, Bhutan, Assam, India, Bangladesh), northern Indochina (Thailand, Myanmar, Vietnam) and the Andaman Islands, and widely cultivated elsewhere as an ornamental.{{Cite web |title=Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/?name_id=57801 |access-date=2023-02-26 |website=Plants of the World Online |language=en}}Hossain, A.B.M. (2002). A Taxonomic report on the genus Dendrobium Sw.. Bangladesh Journal of Plant Taxonomy 9(2): 47-55.Misra, S. (2004). Orchids of Orissa: 1-774. Bishen Singh Mahendra Pal Singh, Dehra Dun.Lucksom, S.Z. (2007). The orchids of Sikkim and North East Himalaya: 1-984. S.Z.Lucksom, IndiaPandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India. Journal of Economic and Taxonomic Botany 32: 403-500.Raskoti, B.B. (2009). The Orchids of Nepal: 1-252. Bhakta Bahadur Raskoti and Rita Ale.