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Purple/pink flowers (sometimes white) in rounded clusters fanning out at top of stem which can reach 12 ft. (4m) high. Stems purple or green with purple spots, hollow. Pointy lance shaped leaves, 4-8 around same spot on stem. Crushed leaves have apple scent. Whole plant useable, roots are strongest. Leaves and root are used for kidney infections, painful urination, enlarged prostate, diuretic, diarrhea, colds, chills, rheumatism, gout, kidney stones, asthma, coughs, gallbladder, strengthens immune system. Lots of polysaccharides. Be aware there is another plant the used to be called “Gravel Root”