Filicales

plural noun
Fil·​i·​ca·​les | \ ˌfiləˈkā(ˌ)lēz \

Definition of Filicales

: an order of herbaceous, arborescent, or occasionally climbing plants (class Filicineae) that comprise the true ferns, that are characterized by exstipulate fronds, leptosporangiate sporangial development, and small thin-walled sporangia which are usually borne in sori on the undersides of the fronds, and that have a characteristic ring of thick-walled cells which assists in dehiscence of the spores — compare fern ally, pteridophyta

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 Filicales

New Latin, from Filic-, Filix + -ales

Keep scrolling for more

Learn More about Filicales

Statistics for Filicales

Cite this Entry

“Filicales.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Filicales. Accessed 26 Nov. 2020.

Comments on Filicales

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

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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

TAKE THE QUIZ
Love words? Need even more definitions?

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