SECTION Callista
TYPE: = Pedilonum secundum = Dendrobium secundum [Bl.] Lindl. 1828
Characterized by the small to medium sized epiphytes or occasional lithophytes with fleshy, usually pseudobulbous, carrying 2 ranked, deciduous in one to 2 year leaves held all along the stem and carrying elongate, brightly colored flowers with a long mentum or chin held close to the pedicel and ovary and the lip is relatively narrow and narrows gradually at the base
- Dendrobium alderwereltianum J.J.Sm. 1917 Sulawesi
- Dendrobium aphanochilum Kraenzl. 1910 Moluccas
- Dendrobium brinchangense Holttum 1947 Malaysia in the Cameron Highlands
- Dendrobium bullenianum Rchb.f 1862 Philippines and Vietnam
- Dendrobium calcaratum A.Rich. 1834 New Guinea, The Bismark Archipelago, the Solomon Islands, Samoa, Santa Cruz Islands, Tonga, Vanuatu and Wallis and Futna islands
- Dendrobium catillare Rchb.f. 1868 Fiji and Samoa
- Dendrobium chittimae Seidenf. 1997 Thailand, Laos and Vietnam
- Dendrobium ciliatilabellum Seidenf. 1985 Thailand
- Dendrobium constrictum J.J.Sm. 1908 Bismark Islands and in Papua New Guinea
- Dendrobium dichaeoides Schlechter 1912 Papua and New Guinea
- Dendrobium foxii Ridl. 1900 Malaysia
- Dendrobium fulgidum Schlechter 1912 Papua and New Guinea
- Dendrobium gnomus Ames 1933 Santa Cruz Islands, formerly New Hebrides
- Dendrobium goldschmidtianum Kraenzl. 1909 Taiwan and the Philippines
- Dendrobium hymenopterum Hook.f. 1890 Thailand, penninsular Malaysia and Sumatra
- Dendrobium intricatum Gagnep. 1930 Cambodia, Thailand and Vietnam
- Dendrobium jacobsonii J.J. Sm. 1918 eastern Java
- Dendrobium kraemeri Schltr. 1914 Caroline Islands
- Dendrobium leucocyanum T.M. Reeve 1982 northern Papua New Guinea
- Dendrobium limpidum Schuit. & de Vogel 2003 Papua New Guinea
- Dendrobium malvicolor Ridl.1917 Sumatra
- Dendrobium megaceras Hook.f. 1888 penninsular Malaysia
- Dendrobium molle J.J.Sm.1908 western New Guinea
- Dendrobium nothofagicola T.M. Reeve 1982 Papua and New Guinea
- Dendrobium obtusum Schltr. 1905 New Guinea and the Solomon Islands
- Dendrobium paragnomus Ormerod 2005 New Guinea
- Dendrobium protractum Dauncey 2003 Papua New Guinea
- Dendrobium pseudoglomeratum J.J.Wood & T.M.Reeve 1982 Papua and New Guinea
- Dendrobium pseudointricatum Guillaumin 1962 Vietnam
- Dendrobium pseudorarum Dauncey 2003 Vanuatu
- Dendrobium purpureum Roxb. 1820 Moluccas, New Guinea, the Caroline Islands, Fiji and Vanuatu
- Dendrobium putnamii A.D.Hawkes & A.H.Heller 1957 Papua New Guinea
- Dendrobium ramosii Ames 1912 Philippines
- Dendrobium rarum Schltr. 1912 northern Papua and New Guinea and Vanuatu
- Dendrobium rhabdoglossum Schltr. 1923 New Guinea
- Dendrobium rhodocentrum Rchb.f. 1872 Myanmar and the eastern Himalayas
- Dendrobium roseipes Schltr. 1912 northeastern New Guinea
- Dendrobium secundum [Bl.] Lindl. 1828 Myanmar, Thailand, Vietnam, Cambodia, Laos, penninsular Malaysia, Java, Sumatra, Borneo, New Guinea and the Philippines
- Dendrobium sidikalangense Dauncey 2001 Sumatra
- Dendrobium stellare Dauncey 2003 Java
- Dendrobium stricticalcarum W.Suarez & Cootes 2008 Philippines
- Dendrobium tiongii Cootes 2010 Philippines
- Dendrobium undatialatum Schltr. 1912 New Guinea and the Solomon Islands
- Dendrobium X usitae T.Yukawa 1995 Philippines
- Dendrobium verruculosum Schltr. 1912 New Guinea
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