fran·​se·​ria | \ franˈsirēə \

Definition of franseria

1 cap : a genus of annual or perennial herbs or shrubs of the family Compositae having alternate leaves and inconspicuous greenish flowers in discoid heads with pistillate heads in the axils of the upper leaves at the bases of nodding spikes or racemes of staminate heads
2 plural -s : any plant of the genus Franseria

called also bur-ragweed

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!

History and Etymology for franseria

New Latin, from Antonio Franseri, 18th century Spanish physician and botanist + New Latin -ia

Keep scrolling for more

Learn More about franseria

Statistics for franseria

Cite this Entry

“Franseria.” The Dictionary, Merriam-Webster Inc., Accessed 10 December 2019.

More from Merriam-Webster on franseria

Rhyming Dictionary: Words that rhyme with franseria

Comments on franseria

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


to state or do over again or repeatedly

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!