field pennycress

plant

Also known as: Thlaspi arvense, fanweed

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Last updated

July 23, 2026

Quick Summary

Field pennycress, also known as fanweed, is a plant belonging to the mustard family (Brassicaceae). It is a common weed found across much of North America.1

This plant is characterized by its small white, lavender, or pink flowers, each with four petals. Its seedpods are flat and circular with notches.1

Field pennycress has garnered interest due to the high oil content in its seeds, making it a potential source for biofuel production.1

Summary created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

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pennycress
Field pennycress, or fanweed (T. arvense), has flat and circular notched pods and is a common weed throughout much of North America. Its seeds have a high oil content, and the species has gained interest as a potential feedstock for biofuel production.
Read More
Field pennycress, or fanweed (T. arvense), has flat and circular notched pods and is a common weed throughout much of North America. Its seeds have a high oil content, and the species has gained interest as a potential feedstock for biofuel production.
Read More