Dendrobium

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Dendrobium
Dendrobium kingianum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Malaxideae
Subtribe:
Dendrobiinae
Genus: Dendrobium
Sw.[1]
Type species
Dendrobium moniliforme
(L.) Sw.
Species

About 1,800; see List of Dendrobium species

Synonyms[2]
List
    • Abaxianthus M.A.Clem. & D.L.Jones
    • Aclinia Griff.
    • Amblyanthe Rauschert
    • Amblyanthus (Schltr.) Brieger
    • Anisopetala (Kraenzl.) M.A.Clem.
    • Aporopsis (Schltr.) M.A.Clem. & D.L.Jones
    • Aporum Blume
    • Asarum Archila
    • Australorchis Brieger
    • Bolbodium Brieger
    • Bouletia M.A.Clem. & D.L.Jones
    • Cadetia Gaudich.
    • Callista Lour.
    • Cannaeorchis M.A.Clem. & D.L.Jones
    • Cepobaculum M.A.Clem. & D.L.Jones
    • Ceraia Lour.
    • Ceratobium (Lindl.) M.A.Clem. & D.L.Jones
    • Chromatotriccum M.A.Clem. & D.L.Jones
    • Coelandria Fitzg.
    • Conostalix (Kraenzl.) Brieger
    • Davejonesia M.A.Clem.
    • Dendrobates M.A.Clem. & D.L.Jones
    • Dendrocoryne (Lindl.) Brieger
    • Desmotrichum Blume
    • Dichopus Blume
    • Diplocaulobium (Rchb.f.) Kraenzl.
    • Distichorchis M.A.Clem. & D.L.Jones
    • Ditulima Raf.
    • Dockrillia Brieger
    • × Dockrilobium J.M.H.Shaw
    • Dolichocentrum (Schltr.) Brieger
    • Durabaculum M.A.Clem. & D.L.Jones
    • Eleutheroglossum (Schltr.) M.A.Clem. & D.L.Jones
    • Endeisa Raf.
    • Ephemerantha P.F.Hunt & Summerh.
    • Epigeneium Gagnep.
    • Eriopexis (Schltr.) Brieger
    • Euphlebium (Kraenzl.) Brieger
    • Eurycaulis M.A.Clem. & D.L.Jones
    • Exochanthus M.A.Clem. & D.L.Jones
    • Flickingeria A.D.Hawkes
    • Froscula Raf.
    • Gersinia Néraud
    • Goldschmidtia Dammer
    • Grastidium Blume
    • Herpetophytum (Schltr.) Brieger
    • Hibiscorchis Archila & Vinc.Bertolini
    • Inobulbon Schltr. & Kraenzl.
    • Keranthus Lour. ex Endl.
    • Kinetochilus (Schltr.) Brieger
    • Latourea Blume
    • Latourorchis Brieger
    • Leioanthum M.A.Clem. & D.L.Jones
    • Maccraithea M.A.Clem. & D.L.Jones
    • Macrostomium Blume
    • Microphytanthe (Schltr.) Brieger
    • Monanthos (Schltr.) Brieger
    • Onychium Blume
    • Ormostema Raf.
    • Orthoglottis Breda
    • Oxyglossellum M.A.Clem. & D.L.Jones
    • Pedilonum Blume
    • Pierardia Raf.
    • Sarcocadetia (Schltr.) M.A.Clem. & D.L.Jones
    • Sayeria Kraenzl.
    • Schismoceras C.Presl
    • Stachyobium Rchb.f.
    • Stelbophyllum D.L.Jones & M.A.Clem.
    • Stilbophyllum D.L.Jones & M.A.Clem.
    • Tetrabaculum M.A.Clem. & D.L.Jones
    • Tetrodon (Kraenzl.) M.A.Clem. & D.L.Jones
    • Thelychiton Endl.
    • Thicuania Raf.
    • Trachyrhizum (Schltr.) Brieger
    • Tropilis Raf.
    • × Vappaculum M.A.Clem. & D.L.Jones
    • Vappodes M.A.Clem. & D.L.Jones
    • Winika M.A.Clem., D.L.Jones & Molloy

Dendrobium is a

Pacific. Orchids in this genus have roots that creep over the surface of trees or rocks, rarely having their roots in soil. Up to six leaves develop in a tuft at the tip of a shoot and from one to a large number of flowers are arranged along an unbranched flowering stem. Several attempts have been made to separate Dendrobium into smaller genera, but most have not been accepted by the World Checklist of Selected Plant Families.

Labelled diagram of Dendrobium kingianum

Description

Dendrobium species are mostly

sympodial herbs with cylindrical roots usually arising from the base of a pseudobulb. The pseudobulbs, when present, are hard, sometimes cane-like, cylindrical or cone-shaped and more or less covered with the bases of the leaves. There are from one to many leaves arranged in two ranks, the leaves varying in shape from linear to oblong, sometimes cylindrical but never channelled or grooved. They are usually much longer than wide and last for only a single season.[3][4][5]

Between one and a large number of resupinate or non-resupinate flowers are arranged along an unbranched flowering stem and may be short or long-lived. The flowers may be white, green, yellow, or pink to purple, often with contrasting colours in the labellum. The sepals and petals are usually free from and more or less similar to each other but markedly different from the labellum. The labellum is more or less egg-shaped, with the narrower end towards the base and flanks the column. There is often a callus consisting of narrow, parallel ridges, in the centre of the labellum.[3][4][5]

Taxonomy and naming

The genus Dendrobium was first formally described in 1799 by Olof Swartz and the description was published in Nova Acta Regiae Societatis Scientiarum Upsaliensis.[1][6] The name Dendrobium is derived from the ancient Greek words dendron meaning "tree" and bios meaning "life", referring to the epiphytic habit of most species.[6][7]

In 1981, Friedrich Brieger reclassified all terete-leaved dendrobiums from Australia and New Guinea into a new genus, Dockrillia and in 2002 David Jones and Mark Clements separated the genus into smaller genera, including Thelychiton, Tropilis, Vappodes and Winika but all of these genera are regarded as synonyms by the World Checklist of Selected Plant Families.[1]

Sections

In 2009, the online Flora of China divided the genus into the following sections:[8]

Distribution and habitat

Orchids in the genus Dendrobium have adapted to a wide variety of

habitats, from the high altitudes in the Himalayan mountains to lowland tropical forests and even to the dry climate of the Australian desert.[citation needed
]

Uses

Use in horticulture

Dendrobium is abbreviated as Den. by the

Cuthbertson's dendrobium (Den. cuthbertsonii) have been reported to last up to ten months each.[citation needed
]

Many Dendrobium species are known to vigorously remove toluene and xylene from the air.[10]

Several hybrids in this genus have been registered and named after notable persons and institutions:

The grex Dendrobium Berry gx[12] has received the Royal Horticultural Society's Award of Garden Merit.

Medicinal uses

nobile-type
cultivar or hybrid. Dendrobium nobile has been extensively bred in the horticultural industry, resulting in cultivars and hybrids with exceptional flower count and various patterning.

Some Dendrobium species are cultivated as medicinal plants.

noble dendrobium (D. nobile) for example is one of the 50 fundamental herbs used in traditional Chinese medicine, where it is known as shí hú (石斛) or shí hú lán (石斛兰
).

The 1889 book 'The Useful Native Plants of Australia records that Dendrobium canaliculatum was called "yamberin" by the Indigenous People of Queensland, Australia and that "The bulbous stems, after being deprived of the old leaves are edible (Thozet)."[14]

In culture

Many species and

floral emblems
and have been figured in artwork. Among the former are:

The Cooktown orchid was figured on Australian

Singapore Orchid Series currency notes
issued between 1967 and 1976:

The golden-bow dendrobium (

private detective and orchid fancier Nero Wolfe, and plays a role in The Final Deduction
.

Gallery

  • Dendrobium Chet's Choice (Dendrobium densiflorum × farmeri), a hybrid belonging to the section Densiflorum (syn. Callista)
    Dendrobium Chet's Choice (Dendrobium densiflorum × farmeri), a hybrid belonging to the section Densiflorum (syn. Callista)
  • Dendrobium 'Mini Brown'[verification needed], a hybrid belonging to the section Spatulata
    Dendrobium 'Mini Brown'[verification needed], a hybrid belonging to the section Spatulata
  • Painting of a typical Dendrobium by I. V. Passmoore, probably the hybrid Dendrobium Lucky Seven
    Painting of a typical Dendrobium by I. V. Passmoore, probably the hybrid Dendrobium Lucky Seven
  • Dendrobium Margaret Thatcher, a hybrid belonging to the section Spatulata
    Dendrobium Margaret Thatcher, a hybrid belonging to the section Spatulata
  • Dendrobium hybrid belonging to the section Phalaenanthe
    Dendrobium hybrid belonging to the section Phalaenanthe
  • Dendrobium hybrid
    Dendrobium hybrid
  • Dendrobium salaccense
    Dendrobium salaccense
  • Dendrobium from Kottayam
    Dendrobium from Kottayam

References

  1. ^ a b c "Dendrobium". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. ^ "Dendrobium Sw". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 7 July 2020.
  3. ^ a b Zhu, Guanghua; Ji, Zhanhe; Wood, Jeffrey J.; Wood, Howard P. "Dendrobium (石斛属 shi hu shu)". Flora of China. Retrieved 18 January 2019.
  4. ^ a b "Genus Dendrobium". Orchids of New Guinea. Retrieved 18 January 2019.
  5. ^ a b "Dendrobium". Australian National Botanic Gardens. Retrieved 28 February 2021.
  6. ^ a b Swartz, Olof (1799). "Dianome Epidendri Generis Linn". Nova Acta Regiae Societatis Scientiarum Upsaliensis. 6: 82. Retrieved 9 November 2018.
  7. ISBN 9781482250640
    .
  8. ^ "Dendrobium in Flora of China @ efloras.org". eFloras.org Home. Retrieved 2 April 2022.
  9. ^ "Alphabetical list of standard abbreviations of all generic names occurring in current use in orchid hybrid registration as at 31st December 2007" (PDF). Royal Horticultural Society.
  10. ^ Wolverton (1996)
  11. ^ "新品种胡姬花以马国首相名字命名" (in Chinese). 8视界.
  12. ^ "Dendrobium Berry gx". RHS. Retrieved 5 May 2020.
  13. ^ "Dendrobium (PROSEA) - PlantUse English".
  14. ^ J. H. Maiden (1889). The useful native plants of Australia : Including Tasmania. Turner and Henderson, Sydney.
  15. ^ Soediono, Noes, Arditti, Joseph and Soediono, Rubismo. Kimilsungia: How an Indonesian Orchid Became a Revered Symbol in the Democratic People’s Republic of Korea After Its Name was Changed. Plant Science Bulletin 75 3 pp. 103-113
  16. ^ "Dendrobium utile J.J.Sm". Plants of the World Online.
  17. ^ "MAS: Orchid Series - $10". Archived from the original on 24 November 2008. Retrieved 29 November 2008.
  18. ^ "MAS: Orchid Series - $500". Archived from the original on 24 November 2008. Retrieved 29 November 2008.
  19. ^ "MAS: Orchid Series - $1000". Archived from the original on 25 November 2008. Retrieved 29 November 2008.
  • Clements, M.A. (1989): Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 45–64.
  • Wolverton, B.C. (1996): How to Grow Fresh Air. New York: Penguin Books.
  • Lavarack, B., Harris, W., Stocker, G. (2006): Dendrobium and Its Relatives. Australia: Simon & Schuster Ltd.
  • Burke, J.M., Bayly, M.J., Adams, P.B., Ladiges, P.Y.: (2008) Molecular phylogenetic analysis of Dendrobium (Orchidaceae), with emphasis on the Australian section Dendrocoryne, and implications for generic classification. Australian Systematic Botany 21: 1–14. Abstract

External links

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