noun phy·so·ste·gia \ˌfīsəˈstējēə\

Definition of physostegia

  1. 1 capitalized :  a genus of North American perennial herbs (family Labiatae) having sessile linear to oblong leaves and showy white, rose, or lavender flowers with an inflated 5-toothed calyx — see false dragonhead

  2. 2 plural -s :  any plant of the genus Physostegia

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of physostegia

New Latin, from phys- + Greek stegē roof + New Latin -ia; akin to Greek stegein to cover, shelter — more at thatch

Seen and Heard

What made you want to look up physostegia? Please tell us where you read or heard it (including the quote, if possible).


a rounded knoll or a ridge of ice

Get Word of the Day daily email!