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Rumex japonicus

Writer: はるみ 菊池はるみ 菊池

Updated: Mar 4

Japanese Name: Nagaba-gishigishi, Ezo-no-gishigishi, Arechi-gishigishi (Family: Polygonaceae)

Arechi-gishigishi (Rumex obtusifolius)
Arechi-gishigishi (Rumex obtusifolius)

The young shoots are enclosed in a thin sheath. To harvest them, it is best to use a knife to cut deep into the plant. If pulled by hand, the shoot will slip out too easily, making it difficult to harvest properly.

How to Eat

  • Briefly blanch in boiling water, then soak in cold water before finely slicing it into an ohitashi (seasoned vegetable dish). It pairs well as a snack with sake.

  • Also known as "Okano-junsai," it has a texture similar to junsai (watershield plant).

  • The young shoots can be pickled in rice bran (nukazuke) or made into overnight pickles. They are also well-suited for aemono (dressed salads).

Taste Record

On March 23, 1978, it was first tasted and found to have a mild flavor with a pleasant sliminess. It pairs well with light dashi broth. Mr. Hisashi Arai, born in the Taisho era, commented, "Even cows don't eat it, but it's not bad as a sake snack."

Medicinal Use

The root is yellow, and its juice has been traditionally used as a remedy for skin conditions such as ringworm and scabies.

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