wood sage

noun

a downy labiate perennial, Teucrium scorodonia, having spikes of green-yellow flowers: common on acid heath and scree in Europe and naturalized in North America

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012