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Xu Duan (Dipsacus japonicus)
Family: Dipsacaceae | Edibility: Edible (1/5)
Dipsacus japonicus is a BIENNIAL/PERENNIAL growing to 0.8 m (2ft 6in). It is in flower from August to September. The species is hermaphrodite (has both male and female organs). 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 soil.
Edible Parts & Harvest Seasons
Edible Parts: Leaves
Harvest Seasons: Early Summer, Spring
Flavor & Culinary Uses
Young leaves - cooked. A famine food, used when all else fails. — Young leaves - cooked.; A famine food, used when all else fails.
Habitat & North American Range
Wild places and roadsides in China. Sunny places at elevations of 300 - 1500 metres in central and southern Japan. (Zone 4, Zone 5, Zone 6, Zone 7, Zone 8)