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Species
Cordyline
IUCN
NCBI
EOL Text
Barcode of Life Data Systems (BOLD) Stats
Specimen Records:33
Specimens with Sequences:48
Specimens with Barcodes:48
Species:12
Species With Barcodes:12
Public Records:19
Public Species:6
Public BINs:0
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
Cordyline is a genus of about 15 species of woody monocotyledonous flowering plants in family Asparagaceae, subfamily Lomandroideae. The subfamily has previously been treated as a separate family Laxmanniaceae,[2] or Lomandraceae. Other authors have placed the genus in the Agavaceae (now Agavoideae). Cordyline is native to the western Pacific Ocean region, from New Zealand, eastern Australia, southeastern Asia, Polynesia and Hawaii.
The name Cordyline comes from the Greek word kordyle, meaning "club," a reference to the enlarged underground stems or rhizomes.[3]
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Selected species
- Cordyline australis (G.Forst.) Endl. – Cabbage Tree (New Zealand)
- Cordyline banksii Hook.f. (New Zealand)
- Cordyline cannifolia R.Br. (Australia)
- Cordyline congesta (Sweet) Steud. (eastern Australia)
- Cordyline dracaenoides Kunth
- Cordyline fruticosa (L.) A.Chev. (southeast Asia, Melanesia, northeastern Australia, the Indian Ocean, Polynesia)
- Cordyline haageana
- Cordyline indivisa (G.Forst.) Steud. – Mountain Cabbage Tree (New Zealand)
- Cordyline manners-suttoniae F.Muell. (Queensland, Australia)
- Cordyline murchisoniae F.Muell. (Queensland, Australia)
- Cordyline obtecta (Graham) Baker (Norfolk Island and northern New Zealand, syn. C. kaspar, C. baueri)
- Cordyline petiolaris (Domin) Pedley (eastern Australia)
- Cordyline pumilio Hook.f. (North Island of New Zealand)
- Cordyline rubra Otto & A.Dietr. (eastern Australia)
- Cordyline stricta (Sims) Endl. (eastern Australia)[4][5]
Formerly placed here
- Dracaena aletriformis (Haw.) Bos (as C. rumphii Hook.)
- Dracaena fragrans (L.) Ker Gawl. (as C. fragrans (L.) Planch.)[5]
Cultivation and uses
Members of the group are often grown as ornamental plants. Many species have been used as a foodstuff and medicine, for additional details on these and other uses see C. australis. The rhizome was roasted in an hāngi (earth oven) by Māori to extract sugar.[6]
References
Wikimedia Commons has media related to: Cordyline |
Wikispecies has information related to: Cordyline |
- ^ a b "Genus: Cordyline Comm. ex R. Br.". Germplasm Resources Information Network. United States Department of Agriculture. 2010-01-19. http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?2927. Retrieved 2011-02-08.
- ^ Chase, M.W.; Reveal, J.L. & Fay, M.F. (2009), "A subfamilial classification for the expanded asparagalean families Amaryllidaceae, Asparagaceae and Xanthorrhoeaceae", Botanical Journal of the Linnean Society 161 (2): 132–136, doi:10.1111/j.1095-8339.2009.00999.x
- ^ Bok-mun Ho (2006). "Cordyline obtecta". Australian National Botanic Gardens. http://www.cpbr.gov.au/gnp/interns-2006/cordyline-obtecta.html. Retrieved 2008-04-12.
- ^ Russell Young (June 2002). "Australian Cordylines". Australian Plants online. Association of Societies for Growing Australian Plants. http://asgap.org.au/APOL26/jun02-3.html. Retrieved 2008-04-12.
- ^ a b "GRIN Species Records of Cordyline". Germplasm Resources Information Network. United States Department of Agriculture. http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?2927. Retrieved 2011-02-08.
- ^ Morton, Elsie K. (1964). Crusoes of Sunday Island. Wellington: A.H. & A.W. Reed. p. 53.
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Source | http://en.wikipedia.org/w/index.php?title=Cordyline&oldid=430310901 |
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Cordyline indivisa is a monocot tree endemic to New Zealand, where it has the common name Mountain cabbage tree. It is also known as the Broad-leaved cabbage tree, or Tōī.[1]
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Distribution
In the North Island Cordyline indivisa occurs from south of Kohukohunui in the Hunua Ranges and Te Moehau (Coromandel Peninsula) but becomes common only south of Raukumara Ranges and the central Volcanic Plateau. In the South Island it is widespread and common along the north and western portions of the island, but occurs more locally in the drier eastern regions.
Description
C. indivisa is very distinctive. The species can be distinguished from all other Cordyline species by its very broad blue-grey leaves, and its smaller, tightly compacted inflorescence which is produced from beneath the foliage. It forms a stout tree up to 8 m tall, with a trunk from 40 to 80 cm in diameter. The stem is usually unbranched, or has very few branches. The leaves are 1 to 2 metres long, and from 10 to 30 cm wide. The foliage, which droops with age, is blue-green and shaped like a broad sword, with a broad and conspicuous midrib which is often tinged red, orange red or golden. The inflorescence is a panicle that arises from the base of the growing points underneath the leaves.
Conservation
The Mountain cabbage tree is not regarded as threatened. Nonetheless, some northern populations have been greatly reduced by livestock and goats, which are thought to have caused its local extinction on Mount Moehau at the northern tip of the Coromandel Peninsula. Since 1987, some species of Cordyline in New Zealand have been affected by a disease called "Sudden Decline", caused by the pathogen Phytoplasma australiense. The sudden death of some specimens of C. indivisa in cultivation and in the wild has been attributed to this disease, but it is still not clear if this was in fact the case.
Cultivation
This plant is very rarely cultivated, but is occasionally offered by specialist nurseries. It is a very attractive tree, but it has a tendency to collapse suddenly during high temperatures or in times of water shortage. It prefers cool moist soils, and semi-shade, and is easy to grow in the cooler parts of New Zealand. North of Hamilton, it can only be grown with great difficulty but few plants survive long enough to flower in lowland areas.
Notes
- ^ "Cordyline indivisa". New Zealand Plant Conservation Network. http://www.nzpcn.org.nz/flora_details.asp?ID=1746. Retrieved 2007-08-07.
References
- "Cordyline indivisa". New Zealand Plant Conservation Network. http://www.nzpcn.org.nz/flora_details.asp?ID=1746. Retrieved 2007-08-07.
- Cordyline indivisa
License | http://creativecommons.org/licenses/by-sa/3.0/ |
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Source | http://en.wikipedia.org/w/index.php?title=Cordyline_indivisa&oldid=429920431 |