9 Bambara Groundnut 'DipC' https://www.cropbase.info/owncloud/index.php/s/9lOpyCZoS2ain63 Soren Thorndal Jørgensen et al IOP Conference Series: Earth and Environmental Science http://iopscience.iop.org/article/10.1088/1755-1307/6/37/372023/pdf Picture was taken from conference paper 2149