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Yellow Monkeyflower, Common Monkeyflower, Seep Monkeyflower - Mimulus guttatus


Family: Phrymaceae - Lopseed Family Genus Common Name: Monkeyflower Native Status: NativeDicot Annual Perennial Herb
Mimulus guttatus - Yellow Monkeyflower, Common Monkeyflower, Seep Monkeyflower. According to the USDA Plants Database, there are 18 subspecies or varieties of Mimulus guttatus, a highly variable plant. This can make it difficult to distinguish from some of the other species, but I'm fairly confident of this identification. It is found throughout much of the western half of the United States, along with a few disjunct populations back east. It grows along streams and in wet areas, even seasonally wet, which gives it the common name "Seep Monkeyflower."

A 2012 study has resulted in a noew generally accepted reclassification, with over 100 members of Mimulus being now classified in the genus Erythranthe, and several other species moving into a few other genera. Mimulus guttatus is now classified as Erythranthe guttatus.

Found in:
AK, AZ, CA, CO, CT, DE, ID, MI, MT, ND, NE, NM, NV, NY, OR, PA, SD, UT, WA, WY

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Mimulus guttatus

Distribution of Mimulus guttatus in the United States and Canada:
Map unavailable.
Map courtesy of The Biota of North America Program.
Map color key

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Site: Lucky Peak Area, Boise Foothills, Ada County, ID Date: 2011-June-12Photographer: Gerald C. Williamson
Nikon D7000
The Common Monkeyflower blossom has red spots and hairs on the lower lip which is made up of two joined petals. It is also known as the Yellow Monkeyflower for obvious reasons, although several monkeyflowers have bright yellow blossoms.
Mimulus guttatus
References used for identification and information:
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Mimulus guttatus initially published on USWildflowers.com 2011-06-16; Updated 2017-09-09

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All content except USDA Plants Database map Copyright Gerald C. Williamson 2024
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Code Update 20230302