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Cyperus aristatus - Rottb.

Common Name
Family Cyperaceae
USDA hardiness 7-10
Known Hazards None known
Habitats Wet places in valleys and lowland all over N. America[60]. A cosmopolitan plant, it is not found at high latitudes[60].
Range N. America to S. America. Naturalized in N. Italy[50].
Edibility Rating    (2 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Frost Hardy Moist Soil Wet Soil Full sun
Cyperus aristatus


USDA-NRCS PLANTS Database
Cyperus aristatus
USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service.

 

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Summary


Physical Characteristics

 icon of manicon of flower
Cyperus aristatus is a PERENNIAL growing to 1.5 m (5ft).
See above for USDA hardiness. It is hardy to UK zone 8. The seeds ripen from July to August. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy) and medium (loamy) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist or wet soil.

UK Hardiness Map US Hardiness Map

Synonyms

C. inflexus. Muhl. C. squarrosus. L.

Habitats

 Bog Garden;

Edible Uses

Edible Parts: Root
Edible Uses:

Tuber - raw or cooked[46, 161, 177]. A starchy flavour[61].

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


None known

References   More on Medicinal Uses

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FOOD FOREST PLANTS

Other Uses

Weaving

The leaves are used for weaving hats, matting etc[178].

Special Uses

References   More on Other Uses

Cultivation details

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it could succeed outdoors in many parts of this country. There is some confusion over the correct name of this species, we have shown C. squarrosus as a synonym but it could be the correct name, whilst some botanists say that C. inflexus is the correct name[235]. The dried plant is fragrant[235]. The following notes are based on the general needs of the genus. Prefers a moist sandy loam[95, 117].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

Fahrenheit:

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Propagation

Seed - surface sow in the spring and keep the compost moist[164]. The seed usually germinates in 2 - 6 weeks at 18°c[164]. Prick out the seedlings into individual pots as soon as they are large enough to handle. Grow on for their first winter in a greenhouse and plant them out in late spring after the last expected frosts. Division in spring or autumn. This is more a matter of harvesting the tubers and replanting them. If this is done in the autumn, then it is best to store the tubers in a cool frost-free place overwinter and plant them out in the spring.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Cyperus articulatusJointed flatsedge, Priprioca, PiripiriPerennial1.8 10-12 FLMHNMWeWa142
Cyperus cephalotesBhada, Flat Sedges, Nut Sedges or Umbrella Sedge.Perennial0.3 10-12 FLMHNWeWa012
Cyperus distansSlender Cyperus, Piedmont flatsedgePerennial0.5 0-0  LMNMWe11 
Cyperus esculentusTiger Nut, Yellow nutsedge, Nut GrassPerennial0.9 8-10 FLMHNMWe423
Cyperus fendlerianusFendler's FlatsedgePerennial1.5 -  LMNMWe20 
Cyperus giganteusPiripiri, Mexican PapyrusPerennial1.5 9-11 FLMHNWeWa023
Cyperus longusGalingalePerennial1.2 6-9 FLMHNMWeWa21 
Cyperus papyrusPapyrus. Papyrus sedgePerennial5.0 9-12 FLMHNWeWa222
Cyperus rotundusNut GrassPerennial0.6 0-0  LMNMWe332
Cyperus schweinitziiFlatsedge, Schweinitz's flatsedgePerennial0.8 0-0  LMNMWe20 
Cyperus setigerusLean flatsedgePerennial1.0 0-0  LMNMWe20 
Cyperus tegetiformis Perennial0.0 -  LMNMWe00 
Cyperus textilisFlat sedge, Basket grass,Perennial1.5 9-12 FLMHFSNMWeWa004
Cyperus ustulatus Perennial1.2 -  LMNMWe00 

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Author

Rottb.

Botanical References

60235270

Links / References

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