Biology:Cyperus alternifolius

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Short description: Species of plant in the family Cyperaceae, native to Africa

Cyperus alternifolius
Cyperus alternifolius 2.jpg
Scientific classification edit
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

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]

  • Umbrella papyrus (potted).jpg

See also

References

  1. ↑ 1.0 1.1 Kew. "Cyperus alternifolius". The Plant List. http://www.theplantlist.org/tpl/record/kew-235595. 
  2. ↑ "Cyperus alternifolius". Kew Science. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:303729-1. 
  3. ↑ 3.0 3.1 "Cyperus involucratus". RHS. https://www.rhs.org.uk/Plants/5204/Cyperus-involucratus/Details. 
  4. ↑ "AGM Plants March 2020 © RHS – ORNAMENTAL". The Royal Horticultural Society. March 2020. https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf. 
  5. ↑ "Graceful Grasses® Baby Tut® - Umbrella Grass - Cyperus involucratus". https://www.provenwinners.com/plants/cyperus/graceful-grasses-baby-tut-umbrella-grass-cyperus-involucratus. 
  6. ↑ Pink, Alfred (April 1, 2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation. https://www.gutenberg.org/ebooks/11892. 
  7. ↑ "Cyperus alternifolius Variegatus". Missouri Botanical Garden.org. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=y850. 

External links

Wikidata ☰ Q132993 entry



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