(Capsella bursa-pastoris), weed, of the mustard family (Brassicaceae), worldwide in distribution, but native to the Mediterranean region. This ... [1 related articles] Found on http://www.britannica.com/eb/a-z/s/80
(Capsella) This frost-hardy annual is originally from Europe and has naturalized widely. This plant has a flavor resembling Mustard. The branched stems rise up from a basal rosette of leaves. In early summer, spikes, 12 to 2 feet high and bearing white flowers, rise out of the foliage. The blossoms are followed by purse-shaped fruits.… Found on http://www.encyclo.co.uk/local/10004