Definition of Melampsora
: a genus (the type of the family Melampsoraceae) of rusts that have sessile one-celled teliospores in a single layer — see flax rust
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!
Origin and Etymology of melampsora
New Latin, from melan- + Greek psōra scab, mange
Seen and Heard
What made you want to look up Melampsora? Please tell us where you read or heard it (including the quote, if possible).