Spirea, or meadowsweet, is the German namesake of SpirsÃ¤ure (salicylic acid), and ultimately aspirin. The name Aspirin was derived from the name of the chemical ASAâAcetylspirsÃ¤ure in German. SpirsÃ¤ure (salicylic acid) was named for the meadowsweet plant, Spirea ulmaria, from which it could be derived.
Look for both series back-to-back beginning at 9:00/8:00c. [12/16/14 - 10:28 AM]. Animal Planet's Treehouse Masters Returns for Season Three on January 9 at 10:00PM ET. Plus, one lucky viewer gets the opportunity to win their very own Pete Nelson treehouse with the Ultimate Treehouse GiveAway contest!
Pete runs Nelson Treehouse and Supply, a thriving treehouse building and supply company, and Treehouse Point, a treehouse Bed & Breakfast located outside of Seattle. His latest endeavor is hosting Animal Planets hit television series, Treehouse Masters.