General: Plants grow ±1 m high.
Leaves: Heart-shaped leaves.
Flowers: White flowers
Seeds: Typical 3-sided seeds, shaped like a pyramid. Cultivated for seed. Used in chicken and bird feeds. Seeds used to bake special health breads.
Photodynamic agent: Fagopyrin. Occurs in all parts of the plant – also in the seed. It remains toxic on dessication.
Liver, skin and appendages.
Ingestion of buckwheat results in a primary photosensitization caused by fagopyrin, resulting in photodermatitis.
Colour photos. Final web-ready size: JPEG. Photo 1: 23.1 kb, 300 ppi; Photo 2: 57.2 kb, 300 ppi; Photo 3: 40.4 kb, 150 ppi; Photo 4: 14.6 kb, 300 ppi; Photo 5: 7.2 kb, 72 ppi. Original TIFF file housed at the Dept. of Paraclinical Sciences, Section Pharmacology and Toxicology, University of Pretoria.