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sour dock (Rumex daiwoo)
Family: Polygonaceae | Edibility: Edible (1/5)
Rumex daiwoo is a PERENNIAL growing to 1 m (3ft 3in). The species is hermaphrodite (has both male and female organs) and is pollinated by Wind. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil.
Edible Parts & Harvest Seasons
Edible Parts: Nuts/Seeds, Leaves
Harvest Seasons: Early Summer, Fall, Late Summer, Spring
Flavor & Culinary Uses
Leaves - cooked. Seed - cooked. Used to make a gruel. — Used to make a gruel.
Habitat & North American Range
Wet meadows in lowland all over Japan. (Zone 4, Zone 5, Zone 6, Zone 7, Zone 8)