SECTION Formosae [Benth & Hkr.f.] Hkr.f. 1890
Synonyms Froscula Raf 1936/38; Section Eudendrobium Subsection Formosae Benth & Hkr.f. 1883; Section Oxgenianthe Schlechter 1912; Section Nigrohirsutae Lindley 1859; Section Nigrohirsutae [Lindley] Brieger 1981; Subgenus Nigrohirsutae [Lindley] Kraenzl 1910;
TYPE: = Dendrobium formosum Roxb ex Lindl. 1830
Characterized by the unusually long, robust pseudobulbs carrying leaves all along the length with leaf sheaths that are covered in black hairs and last for several years and have 1 to 3 flowers in a group in the upper part of the stem that are large, showy, waxy, thin, longlasting usually with white predominate flowers that have a 3 lobed lip apex.
- Dendrobium ayubii J.B.Comber & J.J.Wood 1999 Sumatra
- Dendrobium bellatulum Rolfe 1903 Himalayas, southern China, Myanmar, Thailand, Laos and Vietnam
- Dendrobium bostrychodes Rchb.f. 1880 Kalimantan Borneo
- Dendrobium cariniferum Reichb.f. 1869 the Chinese Himalayas, Assam, Myanmar, Thailand, Cambodia, Laos and Vietnam
- Dendrobium chapaense Avery. 2006 northern Vietnam
- Dendrobium christyanum Rchb. f. 1882 northern Vietnam, northern Thailand, and southwestern China
- Dendrobium cruentum Rchb.f 1884 Myanmar, Thailand and Vietnam
- Dendrobium daklakense Tich, Schuit. & J.J.Verm. 2010 southern Vietnam
- Dendrobium dearei Rchb. f. 1882 Borneo and the Philippines
- Dendrobium deleonii Cabactulan, Cootes & R.B.Pimentel 2018
Philippines
- Dendrobium draconis Rchb.f 1862 Assam India, Myanmar, Thailand, Cambodia, Laos and Vietnam
- Dendrobium erythropogon Rchb.f. 1885 Borneo
- !Dendrobium formosum Roxb. ex Lindl. 1830 Assam, Bangladesh, eastern Himalayas, India, Nepal, Sikkim, Andaman Islands, Myanmar, Thailand and Vietnam
- Dendrobium fuerstenbergianum Schltr. 1907 Thailand
~Dendrobium hallieri J.J.Sm. 1912 - See Dendrobium bostrychodes Rchb.f. 1880
- Dendrobium igneoniveum J.J.Sm. 1927 Sumatra
- Dendrobium infundibulum Lindley 1859 Chinese Himalayas, Assam, Myanmar, Thailand, Laos and Vietnam
- Dendrobium jaintianum Sabap. 2007 Assam India
- Dendrobium jerdonianum Wight 1851 southern India and Sri Lanka
- Dendrobium kontumense Gagnep. 1932 southern Vietnam in Kontum Province
- Dendrobium lasioglossum Rchb.f. 1868 New Guinea
- Dendrobium longicornu Lindl. 1828eastern Himalayas, Assam, Bangladesh, Nepal, Bhutan, Sikkim, Myanmar, southern China and Vietnam
- Dendrobium lowii Lindl. 1861 Sarawak Borneo
- Dendrobium lueckelianum H. Fessel & M. Wolff 1990 Thailand
- Dendrobium luteolum Bateman 1864 Myanmar and Malaysia
- Dendrobium multilineatum Kerr 1933 Laos and Vietnam
- Dendrobium ochraceum De Wild.1906 northern Vietnam
- Dendrobium ovipostoriferum J.J.Sm. 1912 Borneo
- Dendrobium parthenium Rchb.f. 1885 Sabah, Borneo
- Dendrobium radians Rchb.f. 1868 Sarawak Borneo
- Dendrobium roseiodorum Sathap., T.Yukawa & Seelanan 2010 Vietnam
- Dendrobium sanderae Rolfe 1909 Central Luzon in the Philippines
- Dendrobium sarmentosum Rolfe 1896 northern Myanmar
- Dendrobium scabrilingue Lindley 1859 Myanmar, Laos and Thailand
Myanmar, Laos and Thailand
Dendrobium schildhaueri Ormerod & H.A.Pederson 2003 Myanmar, Laos and Thailand Myanmar, Laos and Thailand
- Dendrobium schrautii Schildh. 2006 Vietnam
- Dendrobium schuetzei Rolfe 1911 Mindanao Island of the Philippines
- Dendrobium sculptum Rchb.f. 1863 Borneo
- Dendrobium senile Parish ex Rchb.f 1865 Myanmar, Thailand and Laos
- Dendrobium sinense Tang & F.T, Wang 1974 Hainan China
- Dendrobium singkawangense J.J.Smith 1935 west Kalimantan Borneo
- Dendrobium sinsuronense J.J.Wood 2011 Sabah Borneo
- Dendrobium spectatissimum Rchb.f. 1876 Sabah Borneo
- Dendrobium sutepense Rolfe ex C. Downie 1925 northwestern Thailand and Myanmar
- Dendrobium suzukii T.Yukawa 2002 Vietnam
- Dendrobium tamenglongense Kishor, Y.N.Devi, H.B.Sharma 2013 Assam India
- Dendrobium tobaense J.J.Sm. & Comber 1993 northern Sumatra
- Dendrobium toppiorum A.L.Lamb & J.J.Wood 2008 Sabah Borneo
- Dendrobium trankimianum T.Yukawa 2004 Vietnam
- Dendrobium trigonopus Rchb. f. 1887 Myanmar, Thailand, southwestern China, Laos and Vietnam
- Dendrobium virgineum Rchb.f 1884 Myanmar, eastern Thailand, Laos, Cambodia and Vietnam
LI> Dendrobium vocongii Schettler 2016 Vietnam
- Dendrobium vogelsangii P.O'Byrne 2000 Sulawesi
- Dendrobium wattii Rchb. f. 1888 southern Yunnan province of China, Myanmar, northern Thailand, northwest India, northern Laos and Vietnam
- Dendrobium williamsonii J. Day & Rchb. f. 1869 Chinese Himalayas, Assam India, Myanmar, Thailand, and Vietnam
- Dendrobium xanthophlebium Lindl. 1857 Myanmar and Thailand
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