flannelflower

noun

1

: mullein

2

: a Brazilian vine (Macrosiphonia longiflora) of the family Apocynaceae having woolly leaves

3

: an Australian plant (Actinotus helianthi) of the family Umbelliferae of which the umbels have a white velvety involucre

called also satinflower

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!