Star plant of botanists especially in the phytogenetic specialty. It is a weed of the brassicaceae family that they also call cruciferous for the cross arrangement of the petals of its flowers. It resembles even in its size the shepherd's bag. The researchers presented their complete genome of 25 in 2000. 498 genes . Linnaeus in his Species Plantarum called it Arabis Thaliana. Thaliana in honor of the sixteenth-century German botanist Johannes Thal who had named it Pisonella Siliquosa.
