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'''''Cyperus alternifolius''''', the '''umbrella papyrus''', '''umbrella sedge''' or '''umbrella palm''', is a grass-like plant in the very large genus ''[[Cyperus]]'' of the [[sedge]] family [[Cyperaceae]]. The plant is native to [[West Africa]], [[Madagascar]] and the [[Arabian Peninsula]], but widely distributed throughout the world.<ref name = POWO>{{cite web | url = https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:303729-1 | title = Cyperus alternifolius | website = Plants of the World Online (POWO) | publisher = Kew Science | access-date = 6 March 2021}}</ref> It has gained the [[Royal Horticultural Society]]'s [[Award of Garden Merit]].<ref name = RHSPF>{{cite web | url = https://www.rhs.org.uk/Plants/5204/Cyperus-involucratus/Details | title = ''Cyperus involucratus'' | publisher = RHS | access-date = 1 October 2020}}</ref><ref>{{cite web|title=AGM Plants March 2020 © RHS – ORNAMENTAL |date=March 2020 |website=rhs.org.uk |url=https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf |publisher=The Royal Horticultural Society |access-date=11 September 2020 }}</ref> The subspecies ''Cyperus alternifolius'' ssp. ''flabelliformis'' is also known as ''Cyperus involucratus'' {{small|[[Christen Friis Rottbøll|Rottb.]]}}.<ref name=AA>{{cite web |url=http://www.theplantlist.org/tpl/record/kew-235595 |work=The Plant List |title=''Cyperus alternifolius'' |author=Kew |display-authors=etal |access-date=January 23, 2013 }}</ref>
'''''Cyperus alternifolius''''', the '''umbrella papyrus''', '''umbrella sedge''' or '''umbrella palm''', is a grass-like plant in the large genus ''[[Cyperus]]'' of the [[sedge]] family [[Cyperaceae]]. The plant is native to [[West Africa]], [[Madagascar]] and the [[Arabian Peninsula]], but widely distributed throughout the world.<ref name = POWO>{{cite web | url = https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:303729-1 | title = Cyperus alternifolius | website = Plants of the World Online (POWO) | publisher = Kew Science | access-date = 6 March 2021}}</ref> It has gained the [[Royal Horticultural Society]]'s [[Award of Garden Merit]].<ref name = RHSPF>{{cite web | url = https://www.rhs.org.uk/Plants/5204/Cyperus-involucratus/Details | title = ''Cyperus involucratus'' | publisher = RHS | access-date = 1 October 2020}}</ref><ref>{{cite web|title=AGM Plants March 2020 © RHS – ORNAMENTAL |date=March 2020 |website=rhs.org.uk |url=https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf |publisher=The Royal Horticultural Society |access-date=11 September 2020 }}</ref> The subspecies ''Cyperus alternifolius'' ssp. ''flabelliformis'' is also known as ''Cyperus involucratus'' {{small|[[Christen Friis Rottbøll|Rottb.]]}}.<ref name=AA>{{cite web |url=http://www.theplantlist.org/tpl/record/kew-235595 |work=The Plant List |title=''Cyperus alternifolius'' |author=Kew |display-authors=etal |access-date=January 23, 2013 }}</ref>


==Cultivation==
==Cultivation==

Latest revision as of 10:52, 3 December 2023

Cyperus alternifolius
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Cyperus
Species:
C. alternifolius
Binomial name
Cyperus alternifolius
Rottb., 1772
Synonyms[1]
  • Cyperus alternifolius Baker
  • Cyperus alternifolius var. albovariegatus auct.
  • Cyperus alternifolius var. obtusangulum (Boeckeler) T.Koyama
  • Cyperus alternifolius var. petersianus (Boeckeler) Kük.
  • Cyperus flagellatus Hochst.
  • Cyperus gradatus Forssk.
  • Cyperus involucratus Rottb.
  • Cyperus petersianus Boeckeler
  • Cyperus proximus Steud.

Cyperus alternifolius, the umbrella papyrus, umbrella sedge or umbrella palm, is a grass-like plant in the large genus Cyperus of the sedge family Cyperaceae. The plant is native to West Africa, Madagascar and the Arabian Peninsula, but widely distributed throughout the world.[2] It has gained the Royal Horticultural Society's Award of Garden Merit.[3][4] The subspecies Cyperus alternifolius ssp. flabelliformis is also known as Cyperus involucratus Rottb..[1]

Cultivation[edit]

Cyperus alternifolius is frequently cultivated as an ornamental plant worldwide. It is planted in gardens in the ground, pots, in ponds, and as a houseplant. It is not hardy, and requires protection when temperatures fall below 5 °C (41 °F)[3] (USDA Zones: 9a–11b).[5] It is propagated by dividing the roots and requires copious amounts of water.[6] The cultivar Cyperus alternifolius 'Variegatus' is grown for its variegated foliage and smaller size.[7]

See also[edit]

References[edit]

  1. ^ a b Kew; et al. "Cyperus alternifolius". The Plant List. Retrieved January 23, 2013.
  2. ^ "Cyperus alternifolius". Plants of the World Online (POWO). Kew Science. Retrieved 6 March 2021.
  3. ^ a b "Cyperus involucratus". RHS. Retrieved 1 October 2020.
  4. ^ "AGM Plants March 2020 © RHS – ORNAMENTAL" (PDF). rhs.org.uk. The Royal Horticultural Society. March 2020. Retrieved 11 September 2020.
  5. ^ "Graceful Grasses® Baby Tut® - Umbrella Grass - Cyperus involucratus". Proven Winners. Retrieved September 22, 2019.
  6. ^ Pink, Alfred (April 1, 2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation.
  7. ^ "Cyperus alternifolius Variegatus". Missouri Botanical Garden.org. Retrieved January 23, 2013.

External links[edit]