Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to equisetum arvense: stinging nettle
A strange plant that starts with having fertile off-white beige stalks with scaly fingers on top in the spring, which wither and get replaced by non-fertile green stems resembling horse tails. These plants are very high in silica, but not as absorbable as bamboo, which has 7 times more useable silica. Fresh horsetail contains and enzyme that robs the body of vitamin B, so do not take large amounts. Horsetail is used in treating urinary tract infections, prostate inflammation, very good astringent for stopping bleeding, blood coagulation (thickens blood), helps broken bones heal faster, brittle nails and hair, rheumatoid arthritis, ulcers, anemia. Boil in water for clearing skin, acne and soaking feet. Do not use if pregnant or nursing. High amounts toxic.