Wasabi

ワサビ, 山葵

Wasabi (japanese: ワサビ, わさび, or 山葵, pronounced [waꜜsabi]; eutrema japonicum or wasabia japonica) or japanese horseradish is a plant of the family brassicaceae, which also includes horseradish and mustard in other genera. a paste made from its ground rhizomes is used as a pungent condiment for sushi and other foods. it is similar in taste to hot mustard or horseradish rather than chili peppers in that it stimulates the nose more than the tongue. however, most common wasabi flavorings are ersatz, and are made of horseradish and food coloring. the plant grows naturally along stream beds in mountain river valleys in japan. the two main cultivars in the marketplace are e. japonicum 'daruma' and...

Source: Wikipedia