SECTION Oxystophyllum [Bl] Miq 1859
TYPE: = Dendrobium concinnum Miq. 1859
Synonyms *Oxystophyllum Blume 1825
Characterized by the adult thin, brown, hairy roots but in youth they are yellowish and glabrous, the stem is enveloped mostly by leaf sheaths carrying equitant, laterally flattened, fleshy, overlapping basally and apically distinctly acute leaves that blooms on short axillary inflorescence arising from along the stem or at its apex carrying a successively single flower on a short rachis that arises from conspicuous tufted bracts. The flowers are small, often purple red and havev a small tubercle-like projection underneath the apex of the fleshy lip.
- Dendrobium acianthum Schltr. 1912 New Guinea
- Dendrobium ambotiense J.J.Sm. 1928 Moluccas
- Dendrobium atropurpureum (Blume) Miq. 1859 Myanmar, Malaysia, Java, the moluccas, Sulawesi and New Guinea
- Dendrobium atrorubens Ridl. 1896 Borneo and Malaysia
- Dendrobium changjiangense S.J.Cheng & C.Z.Tang 1980 Hainan China
- Dendrobium concinnum Miq. 1859 TYPE for the Section; Thailand, Malaysia, Sumatra, Java, Borneo, Indonesia, Vietnam and Cambodia
- Dendrobium cultratum Schltr. 1911 Sulawesi and the Philippines
- Dendrobium cuneatipetalum J.J.Sm. 1927 Sumatra
- Dendrobium deliense Schltr.1912 Sumatra
- Dendrobium elmeri Ames 1912 Philippines
- Dendrobium excavatum (Blume) Miq. 1859 Cambodia, Malaysia, Borneo, Java, Lesser Sunda Islands, Moluccas, Sumatra and New Guinea
- Dendrobium govidjoae Schltr. 1912
- Dendrobium hagerupii J.J.Sm. 1922 Sumatra
- Dendrobium helvolum J.J.Sm. 1912 Borneo
- Dendrobium hypodon Schltr. 1910 Sulawesi
- Dendrobium kaudernii J.J.Sm. 1926 publ. 1927 Sulawesi
- Dendrobium lockhartioides Schltr. 1910 Sulawesi
- Dendrobium longipecten J.J.Sm. 1928 Sumatra
- Dendrobium minutigibbum J.J.Sm. 1914 Sumatra
- Dendrobium oblongum Ames & C.Schweinf. 1920 Sabah, Kalimantan and Sarawak Borneo
- Dendrobium oligadenium Schltr. 1910 Sulawesi
- Dendrobium paniferum J.J.Sm. 1914 Java
- Dendrobium sinuatum (Lindl.) Lindl. ex Rchb.f 1861 Thailand, Malaysia, Sumatra and Borneo?
- Dendrobium speculigerum Schltr. 1910 Sulawesi
- Dendrobium hymenocentrum Schltr. 1912 New Guinea
- Dendrobium torricellianum Kraenzl. 1910 New Guinea
- Dendrobium tropidoneuron Schltr. 1911 Sumatra
- Dendrobium validipecten J.J.Sm. 1928 Sumatra
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