Stachys affinis

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Stachys affinis
Stachys sieboldii1.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Stachys
Species: S. affinis
Binomial name
Stachys affinis

Stachys tuberifera Naudin
Stachys sieboldii Miq.

Stachys affinis, the Chinese artichoke, chorogi, knotroot, artichoke betony, or crosne, is a perennial herbaceous plant of the family Lamiaceae, originating from China. Its rhizome can be grown and eaten as a root vegetable.


Tubers of S. affinis.

While the plant is easy to grow, the tubers are small, convoluted, and indented, so they are considered very tedious, if not difficult to clean properly. The thin skin ranges from a pale beige to ivory-white colour. The flesh underneath, under proper cultivation, is white and tender. Chinese poets compare it to jade beads.[citation needed] It is in season[clarification needed] generally commencing with October. [clarification needed]

Culinary use[edit]

The flavor of the stem tubers is delicate, and they can be prepared similarly to Jerusalem artichokes in cooking. It is used as a vegetable, in salad compositions, but more so as a garnish. It has a nutty, artichoke-like flavor.

In Chinese and Japanese cuisine, the Chinese artichoke is primarily pickled. In particular, its tuber is a part of Osechi, cooked for celebrating Japanese New Year. Dyed red by leaves of red shiso after being pickled, it is called Chorogi.

In French cuisine, its cooked tuber is often served alongside dishes named japonaise or Japanese-styled.

See also[edit]

Media related to Stachys affinis at Wikimedia Commons

External links[edit]