By Elton Dunn

Mustard plants have large leafy greens and yellow flowers. They are sometimes called mustard greens, white mustard or leaf mustard.

Cherry Blossom Trees and Field Mustard
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mustard field

Leaves

leaf mustard crops
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mustard leaves

Mustard leaves are broad and flat veined. Typically dark green, they can have purple streaks and appear curly or smooth, with toothy edges.

Appearance

leaf mustard plantation
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mustard leaves on plantation

Mustard leaves cluster together as they grow. Mustard leaves grow from shoots in clusters close together rather than from a single head, like lettuce.

Flowers

Mustard flowers
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close up of mustard flower

Mustard plants develop bright yellow flowers with four petals and six small stamen. The flowers are edible, as are the leaves.

Seed Pods

Mustard seeds
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mustard seeds

Mustard plants have long, skinny seed pods. Sometimes colored black, purple or green, the seed pods split in the middle to expose small black or dark brown seeds.

Range

rural landscape
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large mustard field

Mustard plants grow throughout most of the North America, Europe, South America and Asia.