Pennsylvania bittercress

Description: Pennsylvania bittercress is a biennial herb native to most of Canada and the United States, producing one or more erect or leaning, branching stems which are purple to green in color and grow 10-70cm tall. The leaves are hairless and divided into several rounded to oval lobes, each of which has one or two lobes, with the exception of the large terminal leaflet at the tip, which generally has three. Most leaves are located along the stem and there is no basal rosette. The inflorescence comprises many flowers, each with four white petals a few millimeter long. the fruit is a slender silique 2-3cm long.

Locations in Campus: Picture taken at the front door of Lewis library.

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