from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of several plants of the genus Thlaspi, having small flattened seed pods with winglike margins, especially the Eurasian species T. arvense, a weed naturalized throughout North America.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • n. an annual herb of the Mustard family, having round, flat pods like silver pennies (Thlaspi arvense). Also spelled pennycress.
  • n. Any of several plants of the genus Thlaspi; see penny cress.

from The Century Dictionary and Cyclopedia

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any of several plants of the genus Thlaspi


from Wiktionary, Creative Commons Attribution/Share-Alike License

penny +‎ cress


  • “It showed that Alpine pennycress was best at taking in heavy metals, although neither it nor any of the other plants took in metals fast enough to achieve significant cleansing in 3 years.”

    Archive 2006-01-01

  • Perennial BioEnergy LLC: Development of a biodiesel industry based on pennycress, non-food winter oilseed which can be integrated with summer cash crops such as corn and soybeans.

    Teams Prepare for Round Two in the 2010-2011 Clean Energy Prize Competition - Yahoo! Finance

  • Alpine pennycress uses metal as 'armour' against infection. - latest science and technology news stories

  • Alpine pennycress (Thlaspi caerulescens) is a small plant in the mustard family that grows on metal-rich soils scattered around Britain and Europe, such as the sites of former mine workings. - latest science and technology news stories

  • Field pennycress and shepherdspurse are weaker hosts than purple deadnettle and henbit.


  • Tune in next week and I will continue with field pennycress.


  • Because pennycress is cold-tolerant, Canadian researchers are now in full-blown investigations. Home RSS

  • Isbell predicts 2011 is the earliest pennycress could hit retail markets. Home RSS

  • It was pennycress, a weed that came to the United States as a contaminant with shipments of wheat. Home RSS

  • The ag lab, a national and international leader in biodiesel research, found that pennycress has more oil than soybeans (36 percent compared with 19 percent for soybeans), might be an ideal crop to overwinter between corn and soybean rotations, and is easy to control with spring or fall tillage. Home RSS


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