plural noun
Raf·​fle·​si·​a·​ce·​ae | \ rəˌflēz(h)ēˈāsēˌē, raˌ- \

Definition of Rafflesiaceae

: a family of endotrophic parasitic plants (order Aristolochiales) found chiefly in warm regions of the Old World and sometimes in Mexico that lack stems, have imbricated scales in place of leaves, and have apetalous flowers emerging from the host and having five to ten calyx lobes

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!

Other Words from Rafflesiaceae

rafflesiaceous \ ⸗¦⸗⸗¦āshəs \ adjective

History and Etymology for Rafflesiaceae

New Latin, from Rafflesia, type genus + -aceae

Keep scrolling for more

Learn More about Rafflesiaceae

Statistics for Rafflesiaceae

Cite this Entry

“Rafflesiaceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rafflesiaceae. Accessed 15 Apr. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Comments on Rafflesiaceae

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


Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

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