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]
| Cyperus alternifolius | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Cyperus |
| Species: | C. alternifolius
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| Binomial name | |
| Cyperus alternifolius Rottb., 1772
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| Synonyms[1] | |
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Cultivation
editCyperus 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 or cutting off a top and placing it upside down in a glass of water. It requires copious moisture and can grow in a few inches of water.[6] The cultivar Cyperus alternifolius 'Variegatus' is grown for its variegated foliage and smaller size.[7]
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See also
editReferences
edit- ^ a b Kew; et al. "Cyperus alternifolius". The Plant List. Retrieved January 23, 2013.
- ^ "Cyperus alternifolius". Plants of the World Online (POWO). Kew Science. Retrieved 6 March 2021.
- ^ a b "Cyperus involucratus". RHS. Retrieved 1 October 2020.
- ^ "AGM Plants March 2020 © RHS – ORNAMENTAL" (PDF). rhs.org.uk. The Royal Horticultural Society. March 2020. Retrieved 11 September 2020.
- ^ "Graceful Grasses® Baby Tut® - Umbrella Grass - Cyperus involucratus". Proven Winners. Retrieved September 22, 2019.
- ^ Pink, Alfred (April 1, 2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation.
- ^ "Cyperus alternifolius Variegatus". Missouri Botanical Garden.org. Retrieved January 23, 2013.
External links
edit
Media related to Cyperus alternifolius at Wikimedia Commons
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