Limetree Flowers or Linden Flowers. Referred to as the linden blossom in North America, the lime blossom is a very powerful, and useful, medicinal flower. The flowers, inner bark, and leaves have been collected and used to treat a variety of illnesses. Limetree Flowers can also be used to aid in digestion, reduce respiratory and urinary problems, provide a relief from constipation and can be used as a treatment for gout and scurvy.