Mimulus guttatus

(Yellow Monkeyflower)

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Mimulus guttatus, FR 697, Ophir Pass Rd., San Juan Co. 8498

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Mimulus guttatus, Lower McCullough Gulch, Summit Co. 7370

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Mimulus guttatus, Gold Dust Trail, Park Co. 6695

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Mimulus guttatus, Black Powder Pass 9795/9800

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Mimulus guttatus, Black Powder Pass 9818

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Mimulus guttatus, Gold Dust Trail, Park Co. 6685

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Mimulus guttatus, FR 697, Ophir Pass Rd., San Juan Co. 8504

Scientific Name Mimulus guttatus USDA PLANTS Symbol MIGU
Common Name Yellow Monkeyflower, Common Monkeyflower ITIS Taxonomic Serial No. 33236
Family Phrymaceae (Lopseed), formerly Scrophulariaceae SEINet
Reference
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Description Life zones and habitat: Plains to alpine (5000 to 12000 ft.); wet areas in meadows, along streams and seeps, mossy areas.
Plant: Erect annual or perennial 2 to 22 inches tall; weak, hollow stems.
Leaves: Deep green, opposite, ovate to round with irregular, crenate margins; lower leaves short-petiolate, upper sessile.
Inflorescence: Terminal racemes of multiple flowers, usually 5 or more, intermediate pairs of blossoms on pedicels rising from pair of opposite bracts; flowers two-lipped yellow, tubular, 3/8 to 1 inch long; upper lip two-lobed, larger lower lip is 3-lobed with a few to several reddish-brown spots and bearded throat.
Bloom Period: June to September.
References: "Flora of Colorado" by Jennifer Ackerfield, Jepson eFlora, American Southwest, and SEINet.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County