Black mustard seed detail (Brassica nigra) Science Image

Ref: 80200455a



Black mustard seed detail. Coloured scanning electron micrograph (SEM) of the surface of black mustard seed. This seed comes from the black mustard plant (Brassica nigra) and is used in crushed form as a culinary spice or oil. Magnification: 104x when printed 10 centimetres wide.