Medium RiskLinseed is also known as flax. It is a slender, erect, annual plant which grows single stems. The leaves have three veins and are 1.5mm to 3mm wide. The flowers are pale blue and normally have 5 broad petals, although four petals are somertimes found. Linseed (flax) flowers June - August. The flowers are followed by fruit capsules. Linseed (flax can) be found growingin dry permanent grassland. There are over 200 species.
Salivation, staggering, dilated pupils, rapid pulse, gasping, inability to stand and convulsions. In some cases it has been reported that no symptoms were seen before death.
Notes:
Linseed can be fed to horses as the poisons it contains (prussic
acid) is destroyed by heat. It must therefore be thoroughly cooked
before feeding. To have any real effect large quanities of the
natural seed must be eaten.