black-seed plantain

variants: or less commonly black-seeded plantain

Definition of black-seed plantain

: a perennial plantain (Plantago rugelii) of North America that has broad oval leaves with stalks having a purplish-red base, tiny greenish to white flowers, and black seeds

called also Rugel’s plantain

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!

First Known Use of black-seed plantain

1911, in the meaning defined above

Keep scrolling for more

Learn More about black-seed plantain

Share black-seed plantain

Statistics for black-seed plantain

Look-up Popularity

Time Traveler for black-seed plantain

The first known use of black-seed plantain was in 1911

See more words from the same year

Comments on black-seed plantain

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


the way words of a language are spelled

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
Spell It

Can you spell these 10 commonly misspelled words?


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!