Herb latin name: Rumex daiwoo

Synonyms: Rumex madaio

Family: Polygonaceae (Buckwheat Family)

Medicinal use of Rumex daiwoo:

The root is anticoagulant, antipruritic, antipyretic, diuretic, laxative.

Description of the plant:


100 cm
(3 1/4 foot)

Habitat of the herb:

Wet meadows in lowland all over Japan.

Edible parts of Rumex daiwoo:

Leaves - cooked. Seed - cooked. Used to make a gruel.

Other uses of the herb:

Although no specific mention has been made for this species, dark green to brown and dark grey dyes can be obtained from the roots of many species in this genus, They do not need a mordant. There is a report that the plant is used to kill bugs, but no details are given.

Propagation of Rumex daiwoo:

Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division in spring.

Cultivation of the herb:

Wet meadows in lowland all over Japan.

Known hazards of Rumex daiwoo:

Plants can contain quite high levels of oxalic acid, which is what gives the leaves of many members of this genus an acid-lemon flavour. Perfectly alright in small quantities, the leaves should not be eaten in large amounts since the oxalic acid can lock-up other nutrients in the food, especially calcium, thus causing mineral deficiencies. The oxalic acid content will be reduced if the plant is cooked. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition.

Plant information taken from the Plants For A Future.