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!
The show was renewed for a second series in January 2015 and will be broadcast from 27 October 2015, after being brought forward from its original schedule of early 2016.