# Bulbophyllum sect. Codonosiphon

Bulbophyllum sect. Codonosiphon is a section of the genus Bulbophyllum.

## Description

Species in this section have flower column and lip are fused.

## Distribution

Plants from this section are found from Borneo, New Guinea, Sulawesi, the Moluccas, and the Mariana Islands.

## Species

Bulbophyllum section Codonosiphon comprises the following species:
| Name | Distribution | Elevation (m) |
| Bulbophyllum acanthoglossum Schltr. 1913 | New Guinea | 250–800 metres (820–2,620 ft) |
| Bulbophyllum alkmaarense J.J.Sm. 1911 | New Guinea | 1,500–2,500 metres (4,900–8,200 ft) |
| Bulbophyllum alticola Schltr. 1912 | New Guinea | 2,400–3,100 metres (7,900–10,200 ft) |
| Bulbophyllum arcaniflorum Ridl. 1916 | western New Guinea | 750 metres (2,460 ft) |
| Bulbophyllum arfakense J.J.Sm. 1917 | western New Guinea | 2,000–2,100 metres (6,600–6,900 ft) |
| Bulbophyllum aristilabre J.J.Sm. 1912 | New Guinea | 300 metres (980 ft) |
| Bulbophyllum arminii Sieder & Kiehn 2009 | New Guinea | 950 metres (3,120 ft) |
| Bulbophyllum ascochilum J.J.Verm. 2008 | Papua New Guinea | |
| Bulbophyllum aureoapex Schltr. 1913 | New Guinea | 100 metres (330 ft) |
| Bulbophyllum biserratum J.J.Verm. 2008 | Papua New Guinea | 25 metres (82 ft) |
| Bulbophyllum breve Schltr. 1913 | New Guinea | 300 metres (980 ft) |
| Bulbophyllum bulhartii Sieder & Kiehn 2009 | New Guinea | 800 metres (2,600 ft) |
| Bulbophyllum callipes J.J.Sm. 1908 | New Guinea | 500 metres (1,600 ft) |
| Bulbophyllum campanuliflorum J.J.Verm., Schuit. & de Vogel 2014 | New Guinea | 1,000 metres (3,300 ft) |
| Bulbophyllum caudipetalum J.J.Sm. 1913 | western New Guinea | 500 metres (1,600 ft) |
| Bulbophyllum chrysochilum Schltr. 1912 | New Guinea | 1,000 metres (3,300 ft) |
| Bulbophyllum chrysoglossum Schltr. 1905 | New Guinea | 600–1,000 metres (2,000–3,300 ft) |
| Bulbophyllum codonanthum Schltr. 1911 | Sulawesi and New Guinea | 1,000–1,200 metres (3,300–3,900 ft) |
| Bulbophyllum collinum Schltr. 1913 | New Guinea | 400–900 metres (1,300–3,000 ft) |
| Bulbophyllum coloratum J.J.Sm. 1910 | New Guinea | 500 metres (1,600 ft) |
| Bulbophyllum concolor J.J.Sm. 1914 | western New Guinea | 350–500 metres (1,150–1,640 ft) |
| Bulbophyllum cruciatum J.J.Sm. 1911 | New Guinea, Seram Island, and Maluku Islands | 5–1,100 metres (16–3,609 ft) |
| Bulbophyllum cuniculiforme J.J.Sm. 1911 | New Guinea | 800 metres (2,600 ft) |
| Bulbophyllum cyrtophyllum J.J.Verm. 2008 | Papua New Guinea | 1,760 metres (5,770 ft) |
| Bulbophyllum decurvulum Schltr. 1912 | New Guinea | 800 metres (2,600 ft) |
| Bulbophyllum dolichoglottis Schltr.1912 | New Guinea | 700 metres (2,300 ft) |
| Bulbophyllum fasciatum Schltr. 1912 | New Guinea | 600 metres (2,000 ft) |
| Bulbophyllum fibrinum J.J.Sm. 1913 | Papua New Guinea | 350–500 metres (1,150–1,640 ft) |
| Bulbophyllum formosum Schltr. 1912 | New Guinea | 800 metres (2,600 ft) |
| Bulbophyllum frustrans J.J.Sm.1911 | New Guinea | 1,800–2,000 metres (5,900–6,600 ft) |
| Bulbophyllum geniculiferum J.J.Sm. 1912 | New Guinea | 300 metres (980 ft) |
| Bulbophyllum gobiense Schltr. 1912 | New Guinea | 350 metres (1,150 ft) |
| Bulbophyllum gadsupiorum Cavestro & K.Metzg. 2023 | Papua New Guinea | 1,800 metres (5,900 ft) |
| Bulbophyllum holochilum J.J.Sm. 1912 | Papua New Guinea | 25–800 metres (82–2,625 ft) |
| Bulbophyllum humile Schltr. 1913 | New Guinea | 800 metres (2,600 ft) |
| Bulbophyllum immobile Schlechter 1913 | Papua New Guinea | 200 metres (660 ft) |
| Bulbophyllum inclinatum J.J.Sm. 1935 | western New Guinea | 250 metres (820 ft) |
| Bulbophyllum jadunae Schltr. 1912 | eastern New Guinea | 300 metres (980 ft) |
| Bulbophyllum johannae Cavestro & K.Metzg. 2024 | Papua New Guinea | 1,700 metres (5,600 ft) |
| Bulbophyllum kelelense Schltr. 1913 | New Guinea | 200 metres (660 ft) |
| Bulbophyllum kusaiense Tuyama 1940 | Caroline Islands (Kosrae) | 500 metres (1,600 ft) |
| Bulbophyllum leontoglossum Schltr. 1913 | New Guinea | 150 metres (490 ft) |
| Bulbophyllum leucoglossum Schuit., Juswara & Droissart 2016 | New Guinea | 1,005 metres (3,297 ft) |
| Bulbophyllum lohokii J.J.Verm. & A.L.Lamb 1994 | Borneo | 1,600–2,300 metres (5,200–7,500 ft) |
| Bulbophyllum longilabre Schltr. 1912 | Papua New Guinea | 700–1,000 metres (2,300–3,300 ft) |
| Bulbophyllum maculiflorum J.J.Verm., Schuit. & de Vogel 2015 | New Guinea | 1,100 metres (3,600 ft) |
| Bulbophyllum melinoglossum Schltr. 1913 | New Guinea | 1,200 metres (3,900 ft) |
| Bulbophyllum microrhombos Schltr. 1912 | New Guinea, the Solomon Islands and Vanuatu | 500–1,200 metres (1,600–3,900 ft) |
| Bulbophyllum monosema Schltr. 1913 | New Guinea | 1,100 metres (3,600 ft) |
| Bulbophyllum mystax Schuit. & de Vogel 2002 | Papua New Guinea | 450–600 metres (1,480–1,970 ft) |
| Bulbophyllum mystrochilum Schltr. 1913 | New Guinea | 1,100 metres (3,600 ft) |
| Bulbophyllum neoebudicum (Garay, Hamer & Siegerist) Sieder & Kiehn 2009 | Vanuatu | 1,000 metres (3,300 ft) |
| Bulbophyllum nitidum Schltr. 1912 | Papua New Guinea | 1,200 metres (3,900 ft) |
| Bulbophyllum novae-hiberniae Schltr. 1905 | Bismark archipelago and the Solomon Islands | 600 metres (2,000 ft) |
| Bulbophyllum olorinum J.J.Sm.1912 | New Guinea | 25–225 metres (82–738 ft) |
| Bulbophyllum oxyanthum Schltr. 1905 | New Guinea | 500 metres (1,600 ft) |
| Bulbophyllum pemae Schltr. 1913 | New Guinea | 400 metres (1,300 ft) |
| Bulbophyllum pendens J.J.Verm. 2008 | western New Guinea | 600 metres (2,000 ft) |
| Bulbophyllum plagiatum Ridl. 1916 | western New Guinea | 1,033 metres (3,389 ft) |
| Bulbophyllum pyroglossum Schuit. & de Vogel 2005 | Papua New Guinea | 250 metres (820 ft) |
| Bulbophyllum quadricaudatum J.J.Sm. 1911 | Papua New Guinea | 75 metres (246 ft) |
| Bulbophyllum ramulicola Schuit. & de Vogel 2002 | western New Guinea | 550 metres (1,800 ft) |
| Bulbophyllum raulersoniae Deloso, Paulino & Cootes 2022 | Guam and Rota | 140–350 metres (460–1,150 ft) |
| Bulbophyllum rectilabre J.J.Sm. 1912 | western New Guinea | 350–750 metres (1,150–2,460 ft) |
| Bulbophyllum saccoglossum J.J.Verm., Schuit. & de Vogel 2014 | Papua New Guinea | 1,000–2,300 metres (3,300–7,500 ft) |
| Bulbophyllum scaphioglossum J.J.Verm. & Rysy 2014 | western New Guinea | |
| Bulbophyllum scaphosepalum Ridl. 1916 | western New Guinea | |
| Bulbophyllum schizopetalum L.O.Williams 1946 | New Guinea | 1,700 metres (5,600 ft) |
| Bulbophyllum scyphochilus Schltr. 1912 | New Guinea | 150–800 metres (490–2,620 ft) |
| Bulbophyllum smileiphyllum J.J.Verm., Schuit. & de Vogel 2014 | New Guinea | |
| Bulbophyllum speciosum Schltr. 1912 | Papua New Guinea | 600–1,200 metres (2,000–3,900 ft) |
| Bulbophyllum stabile J.J.Sm. 1911 | Papua New Guinea | |
| Bulbophyllum stalagmotelos J.J.Verm. 2008 | Papua New Guinea | |
| Bulbophyllum stellula Ridl. 1916 | western New Guinea | 759 metres (2,490 ft) |
| Bulbophyllum stenophyton (Garay & W.Kittr.) Schuit & de Vogel 2011 | Papua New Guinea, Solomon Islands, orn Islands and Vanuatu | 800–900 metres (2,600–3,000 ft) |
| Bulbophyllum stictanthum Schltr. 1913 | New Guinea | 1,200 metres (3,900 ft) |
| Bulbophyllum takeuchii (Howcroft) J.J.Verm., Schuit. & de Vogel 2014 | Bismark Archipelago | |
| Bulbophyllum torricellense Schltr. 1913 | New Guinea | 800 metres (2,600 ft) |
| Bulbophyllum trachyglossum Schltr. 1905 | Bismark Archipelago and Solomon Islands | 600 metres (2,000 ft) |
| Bulbophyllum trichromum Schltr. 1923 | Papua New Guinea | 1,000 metres (3,300 ft) |
| Bulbophyllum trigonocarpum Schltr. 1905 | New Guinea | 800 metres (2,600 ft) |
| Bulbophyllum verrucosum (L.O.Williams) J.J.Verm., Schuit. & de Vogel 2014 | New Guinea | 1,100–1,800 metres (3,600–5,900 ft) |
| Bulbophyllum warianum Schltr. 1913 | New Guinea | 400 metres (1,300 ft) |
| Bulbophyllum wechsbergii Sieder & Kiehn 2009 | New Guinea | 1,300 metres (4,300 ft) |
| Bulbophyllum xanthoacron J.J.Sm. 1911 | New Guinea | |
| Bulbophyllum xanthophaeum Schltr. 1913 | Papua New Guinea | 450–1,000 metres (1,480–3,280 ft) |