Field Mustard

(Brassica rapa)

 

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Field Mustard (Brassica rapa)

Alien: Native of Europe.

Identification: Flowers yellow in terminal clusters. Seed pods with long apical beaks, on long stalks, pointing outward from the stem, the seed pods themselves either angling slightly upward or pointing straight out. Stem and leaves with a white bloom, succulent. Upper leaves elongate, triangular, the bases strongly clasping the stem. Lower leaves irreguarly lobed. Plant 2 to 3 feet in height.

Distribution: Throughout North America.

Habitat: Field Mustard is a weedy species of disturbed habitats such as roadsides, fields, and empty lots.

Line Drawing: Britton, N.L., and A. Brown. 1913. An Illustrated Flora of the Northern United States and Canada, Second Edition.

 

Field Mustard (Brassica rapa)

Similar Species:

The succulent foliage, yellow flowers, long apical beaks of the seed pods, and the clasping middle leaves will usually readily identify this species.

Hare's-ear-Mustard (Conringia orientalis)

 

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