June 16, 2015
Lepidium virginicum L. Brassicaceae (Mustard family)
Erect winter of summer annual.
Leaves initially develop from a basal rosette. Lower leaves are oval with toothed margins on long petioles. Mature leaves are irregularly lobed, smooth and tapering to the petiole, and hairless. Upper leaves are alternate, toothed or entire, lanceolate and pointed.
Erect, branched with small hairs, mostly 1.5- to 2-foot-tall stems bolt from a basal rosette to flower.
Flowers and fruit
White to greenish flowers with four small petals are found in terminal clusters. Fruit are flat, round to oval, distinctly winged, .25 inch-wide pods with a shallow notch.
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