Erythranthe lewisii
| Erythranthe lewisii | |
|---|---|
| Erythranthe lewisii in Mount Rainier National Park | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Lamiales | 
| Family: | Phrymaceae | 
| Genus: | Erythranthe | 
| Species: | E. lewisii  | 
| Binomial name | |
| Erythranthe lewisii | |
| Synonyms | |
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Erythranthe lewisii (Lewis' monkeyflower, great purple monkeyflower) is a perennial plant in the family Phrymaceae. It is named in honor of explorer Meriwether Lewis. Together with other species in Erythranthe, it serves as a model system for studying pollinator-based reproductive isolation. It was formerly known as Mimulus lewisii.