pennycress

Any of several plants of the genus Thlaspi of the mustard family, having small round flattened seedpods, especially the Eurasian species T. arvense, a weed naturalized throughout North America.

A cruciferous herb, Thlaspi arvense, found throughout Europe and temperate Asia, and sparingly naturalized in the United States.

Any of several plants of the genus Thlaspi; see penny cress.

Any of several plants, of the genus Thlaspi, that have flattened seedpods (in the form of an old penny)

any of several plants of the genus Thlaspi