Dendrobium sect. Rhizobium
| Dendrobium sect. Rhizobium | |
|---|---|
| |
| Dendrobium linguiforme | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Epidendroideae |
| Genus: | Dendrobium |
| Section: | Dendrobium sect. Rhizobium Lindl. & Paxton 1851 |
| Type species | |
| Dendrobium linguiforme | |
| Species | |
|
See text | |
| Synonyms | |
|
Dockrillia (Brieger 1981). | |
Dendrobium section Rhizobium is a section of the genus Dendrobium.[1][2]
Description
[edit]Plants in this section have thick, fleshy to terete leaves produced along a thin and wiry stem.[1]
The section was established in 1851 by John Lindley and Joseph Paxton. Species in this section was included in the genus Dockrilla, named after Alick Dockrill,[3] by authors including David Jones, Mark Clements and Stephan Rauschert for some species formerly included in the genus Dendrobium. A 2008 paper, based on a study the molecular phylogenetics of a wide range of related orchids, concluded that "the splitting of Australasian dendrobiums into various genera by other authors is excessive and unnecessary" moving the species back to the section Rhizobium.[4]
Distribution
[edit]Plants from this section are found in Australia, New Guinea, New Caledonia and Vanuatu.[1][5]
Species
[edit]Dendrobium section Rhizobium comprises the following species:
| Image | Name | Distribution | Elevation (m) |
|---|---|---|---|
 |
Dendrobium bowmanii Benth. 1873 | Australia ( Queensland and New South Wales) and New Caledonia. | 0–200 metres (0–656 ft) |
| Dendrobium brevicaudum D.L.Jones & M.A.Clem. 1994 | Australia ( Queensland) | 700–950 metres (2,300–3,120 ft) | |
| Dendrobium casuarinae Schltr. 1918 | New Caledonia | 0–1,000 metres (0–3,281 ft) | |
| Dendrobium caudiculatum M.A.Clem. & D.L.Jones 1996 | Papua New Guinea | 40–900 metres (130–2,950 ft) | |
| Dendrobium chordiforme Kraenzl. 1910 | Papua New Guinea | 10–3,300 metres (33–10,827 ft) | |
| Dendrobium contextum Schuit. & de Vogel ex J.M.H.Shaw 2003 | Papua New Guinea | 1,200 metres (3,900 ft) | |
| Dendrobium crispatum (G.Forst.) Sw. 1799 | French Polynesia (Society Islands) | ||
 |
Dendrobium cucumerinum MacLeay ex Lindl. 1842 | Australia ( Queensland) | 50–800 metres (160–2,620 ft) |
| Dendrobium erythraeum Schuit. & de Vogel 2003 | Papua New Guinea | ||
| Dendrobium flagellum Schltr. 1912 | New Guinea | 150 metres (490 ft) | |
| Dendrobium fuliginosum (M.A.Clem. & D.L.Jones) P.F.Hunt 1998 | New Guinea | ||
| Dendrobium leptophyton Schuit. & de Vogel 2003 | Papua New Guinea | 900–2,000 metres (3,000–6,600 ft) | |
 |
Dendrobium lichenastrum (F.Muell.) Rolfe 1905 | Australia ( Queensland) | 0–1,950 metres (0–6,398 ft) |
 |
Dendrobium linguiforme Sw. 1800 | Australia (Queensland and New South Wales) | 0–1,200 metres (0–3,937 ft) |
| Dendrobium mortii F.Muell. 1859 | New Caledonia, Australia (Queensland and New South Wales) | 300–900 metres (980–2,950 ft) | |
| Dendrobium nothofageti (M.A.Clem. & D.L.Jones) Schuit. & de Vogel 2003 | Papua New Guinea | 2,800 metres (9,200 ft) | |
 |
Dendrobium pugioniforme A.Cunn. ex Lindl. 1839 | Australia (Queensland and New South Wales) | 0–1,300 metres (0–4,265 ft) |
| Dendrobium racemosum (Nicholls) Clemesha & Dockrill 1964 | Australia (Queensland) | 800–1,500 metres (2,600–4,900 ft) | |
| Dendrobium rigidum R.Br. 1810 | Australia(Queensland) and New Guinea | 700 metres (2,300 ft) | |
 |
Dendrobium schoeninum Lindl. 1846 | Australia (Queensland and New South Wales) | 600 metres (2,000 ft) |
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Dendrobium striolatum Rchb.f. 1857 | Australia (New South Wales, Victoria and Tasmania ) | 1,000 metres (3,300 ft) |
 |
Dendrobium teretifolium R.Br. 1810 | Australia (Queensland and New South Wales) | 5–800 metres (16–2,625 ft) |
 |
Dendrobium toressae (F.M.Bailey) Dockrill 1964 | Australia (Queensland) | 50–1,220 metres (160–4,000 ft) |
| Dendrobium vagans Schltr. 1911 | New Caledonia, Fiji, Samoa, Vanuatu and the Santa Cruz Islands | 0–1,300 metres (0–4,265 ft) | |
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Dendrobium wassellii S.T.Blake 1963 | Australia (Queensland ) | 300 metres (980 ft) |
Natural Hybrids
[edit]| Image | Name | Parentage | Distribution |
|---|---|---|---|
| Dendrobium × grimesii C.T.White & Summerh. 1934 | Dendrobium linguiforme × Dendrobium teretifolium | Queensland, Australia |
References
[edit]- ^ a b c "Den. Sec. Rhizobium". The American Orchid Society. 2016-03-24. Retrieved 2023-05-03.
- ^ "Tropicos". Tropicos. Retrieved 2023-05-03.
- ^ Australian Plants Online. "What is a Dockrillia?" Archived 2009-10-24 at the Wayback Machine
- ^ Burke, Jacinta M.; Bayly, Michael J.; Adams, Peter B.; Ladiges, Pauline Y. (2008). "Molecular phylogenetic analysis of Dendrobium (Orchidaceae), with emphasis on the Australian section Dendrocoryne , and implications for generic classification". Australian Systematic Botany. 21 (1): 1–14. doi:10.1071/SB07038. Retrieved 21 November 2018.
- ^ "Largest online collection of New Guinea orchids". Orchids of New Guinea. Retrieved 2023-05-03.
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