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Starr-120613-9611-Carex buchananii-stems-Home Depot Nursery Kahului-Maui (25119122576)

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Cyperaceae
Subfamilia: Cyperoideae
Tribus: Cariceae
Genus: Carex
Species: Carex buchananii

Carex buchananii Berggr., J. Bot. 18: 104 (1880).

Carex lucida var. buchananii (Berggr.) Kük. in H.G.A.Engler (ed.), Pflanzenr., IV, 20(38): 686 (1909).

Native distribution areas:
Carex buchananii

Continental: Australasia
Regional: New Zealand
New Zealand North I.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Berggren, S. 1880. Journal of Botany, British and Foreign. London 18: 104.


Govaerts, R. et al. 2019. Carex buchananii in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2019 Dec 12. Reference page.
International Plant Names Index. 2019. Carex buchananii. Published online. Accessed: Dec 12 2019. 2019. Carex buchananii. Missouri Botanical Garden. Published online. Accessed: 12 Dec 2019.
USDA, ARS, Germplasm Resources Information Network. Carex buchananii in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Carex buchananii, common names Buchanan's sedge, cutty grass, is a species of sedge (in the Cyperaceae family). It is endemic to New Zealand, being found on both the North and South Islands.[4]

It has no synonyms according to Plants of the world online,[5] but two according to the New Zealand Plant Conservation Network[4]


It is a reddish-brown, densely tufted sedge.[4]

It flowers from October to December and fruits from November to June[4] and the nuts are dispersed by granivory and wind.[6]
Distribution & habitat

It is uncommon in the North Island, being found south of the Manawatu. In the South Island it is found more widely but has not been found in Westland and Fiordland. It is found from the coast to the mountains (to an altitude of 1000 m) growing on beaches and lake and stream margins.[4]
Conservation status

Assessments under the New Zealand Threat Classification System (NZTCS), declared it to be "Not Threatened" in 2013, but in 2017 to be "At Risk - Declining" (Dec).[1]

In the UK it is naturalised and considered an invasive species.[7]
Taxonomy & naming

It was first described in 1880 by Sven Berggren,[2][3] who gave it the specific epithet, Buchanani (now buchananii), to honour the New Zealand botanist, John Buchanan (1819-1898).[4]

de Lange, P.J. et al."Conservation status of New Zealand indigenous vascular plants, 2017" (PDF). 2017. p. 9.
"NZOR Name Details - Carex buchananii Berggr". Retrieved 20 November 2019.
Berggren, S. (1880) "New New Zealand Plants", Journal of Botany 18: 104
"Carex buchananii | New Zealand Plant Conservation Network". Retrieved 20 November 2019.
"Carex buchananii Berggr. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 20 November 2019.
Thorsen, M.J.; Dickinson, K.J.M.; Seddon, P.J. (2009). "Seed dispersal systems in the New Zealand flora". Perspectives in Plant Ecology, Evolution and Systematics. 11 (4): 285–309. doi:10.1016/j.ppees.2009.06.001. ISSN 1433-8319.
"Invasive species compendium: Carex buchananii". Archived from the original on 20 October 2020. Retrieved 19 November 2019.

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