Rapistrum (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. "Rapistrum is a genus belonging to the brassicaceae family with a distinctive cross like arrangement of its petals. Species of Rapistrum are annual to perennials (Lifespan from 1 to 2 or more years). The yellow petals are accompanied by sepals that stand vertically at near right angles (erecto-patent). Leaf shape and arrangement varies from rough toothed (dentate) to a configuration of opposingly lobed pairs along the plant stalk, pinnately lobed. The Rapistrum genus has a characteristic fruit comprising 2 segments. a) The distal (upper division) The part of the fruit farthest away from the point of attachment. The distal is endowed with a ribbed spheroid base (globose) that tapers to form a narrowed projection. It holds a single seed."