Charlock mustard

Description： Charlock mustard is . Charlock's stems are erect, branched and striated, with coarse spreading hairs especially near the base. The leaves are petiolate with a length of 1-4cm. The basal leaves are oblong, oval. The cauline leaves are much reduced and are short petiolate to sessile but not auriculate-clasping. The inflorescence is a raceme made up of yellow flowers having four petals. The fruit is a silique 3-5cm long a break 1-2cm long that is flattened quadrangular.

Locations in Campus: Picture taken at north of Clarke Field.