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Carex kobomugi - Ohwi.
                 
Common Name Japanese sedge
Family Cyperaceae
USDA hardiness 6-8
Known Hazards None known
Habitats Sand dunes along the seacoast all over Japan[58].
Range E. Asia - Japan, Korea, Manchuria.
Edibility Rating  
Other Uses  
Weed Potential Yes
Medicinal Rating  
Care
Fully Hardy Moist Soil Wet Soil Semi-shade Full sun

Summary

Carex kobomugi Japanese sedge


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Carex kobomugi Japanese sedge
   
Physical Characteristics
 icon of manicon of flower
Carex kobomugi is a PERENNIAL growing to 0.2 m (0ft 8in).
It is hardy to zone (UK) 6. The flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and are pollinated by Wind.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil. The plant can tolerate maritime exposure.

Synonyms
C. macrocephala. non Willd.

Habitats
 Bog Garden; Cultivated Beds;
Edible Uses
Edible Parts: Root;  Seed.
Edible Uses:

Root - cooked[172]. Seed[172]. An emergency food, used when all else fails[177]. The seed is very small and would be fiddly to use[K].
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
Other Uses
Environmental Uses: Land reclamation; Landscape improvement; Soil conservation. Possible benefits in using C. kobomugi for dune stabilization in its native range, but there are considerable doubts raised about its relative effectiveness compared to native species outside of this range.
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 should succeed outdoors in most parts of this country. It is likely to tolerate maritime exposure[K]. The following notes are based on the general needs of the genus. Easily grown in a damp to wet soil in full sun or shade[162, 200]. Members of this genus are rarely if ever troubled by browsing deer[233].
Propagation
Seed - sow in situ in the spring in a moist soil in light shade. If seed is in short supply it can be sown in a cold frame and be planted out in the summer. The seed usually germinates in 2 - 6 weeks at 15°c[138]. Division in spring[200]. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the summer or following spring.

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Other Names
Japanese sedge; sea isle Japanese sedge; Asiatic sand sedge. Chinese: shai cao.
Found In
Asia, China, Japan, Korea, Manchuria, North America, Russia, Taiwan, USA.
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.

A harmful, exponentially spreading, robust, mat-forming, and dominant perennial invader [1d]. An introduced species to the US to stabilize dunes its distribution in the United States now extends from Rhode Island to North Carolina.[1d]. In Connecticut - Potentially invasive, banned. In Massachusetts - Prohibited
Conservation Status
IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed.
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Carex acutiformisSwamp Sedge, Lesser pond sedge10
Carex aquatilisWater sedge, Sitka sedge10
Carex arenariaSand Sedge22
Carex brizoides 10
Carex buxbaumiiBuxbaum's sedge10
Carex dispalata 10
Carex distichaTworank sedge10
Carex elataTufted Sedge, Golden Variegated Sedge, Tufted Sedge20
Carex hirtaHammer sedge11
Carex macrocephalaLargehead sedge10
Carex nebrascensisNebraska sedge00
Carex nubigena 11
Carex paniculata 10
Carex ripariaGreat Pond Sedge10
Carex rostrataBeaded Sedge, Beaked sedge10
Carex utriculataSedge, Northwest territory sedge20
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Expert comment
 
Author
Ohwi.
Botanical References
58
Links / References
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Subject : Carex kobomugi  

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