Definition of Petalostemon
: a genus of perennial glandular herbs (family Leguminosae) of the central and western U.S. and Mexico having pinnately compound leaves and pink, purple, or white pealike flowers in close heads or spikes and exhibiting a superficial resemblance to clover — see prairie clover
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.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of petalostemon
New Latin, from petalo- (from Greek petalon leaf) + Greek stēmōn warp, thread — more at stamen
Seen and Heard
What made you want to look up Petalostemon? Please tell us where you read or heard it (including the quote, if possible).