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leaf mustard

American  
[leef muhs-terd] / ˈlif ˌmʌs tərd /

noun

  1. the cruciferous plant Brassica juncea, especially any of the numerous cultivars grown for their edible leaves.

    For an exceptional side dish of sautéed greens, use a mix of fresh kale, leaf mustard, and Swiss chard.


Etymology

Origin of leaf mustard

First recorded in 1920–25