Field Pennycress (Thlaspi arvense)

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Description

Field pennycress grows 1.5 to 3 feet tall. It is easily recognized by its oval and widely-winged seed pod. The alternate, coarsely toothed leaves are almost 1 inch wide and up to 3 inches long. The basal leaves form a rosette in spring. It produces white flowers with four petals in a dense cluster.

Where To Find

This plant is native to Europe but can be found in North America and other temperate regions. Look for it in disturbed sites, waste ground and pastures.

What And How To Eat

The young leaves and seeds can be eaten. Eat the leaves raw or cooked in small quantities. Grind the seeds to powder and use as a substitute for mustard.

Medicinal Use

Field Pennycress is a popular herbal tonic in certain cultures. It is anti-inflammatory, expectorant, antidote and hepatic. It is usually used in small doses because it can cause dizziness and nausea.