Eutrema is a genus of flowering plants of the family Brassicaceae, native to the Holarctic. Its best known member is wasabi, Eutrema japonicum. The name comes from the Greek εὐ- (eu-) 'well' et τρῆμα (trêma) 'hole', because of a hole in the septum of the fruit.[3]
It is native to subarctic and subalpine regions of Eurasia and North America and to temperate Asia.[2]
^Chloris Melvilliana a list of plants collected in Melville Island (latitude 74-75 N., longitude 110-112 W.) in the year 1820; by the officers of the voyage of discovery under the orders of Captain Parry, with characters and descriptions of the new genera and species 9–10, pl. A. 1823.