Mimulus species

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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, www.americansouthwest.net, and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Mimulus tilingii USDA PLANTS Symbol MITI
Common Name Subalpine Monkeyflower ITIS Taxonomic Serial No. 503850
Family Phrymaceae (Lopseed), formerly Scrophulariaceae SEINet
Reference
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Description Life zones and habitat: Montane to alpine (9500 to 13000 ft.); wet areas in meadows, along streams and seeps, mossy areas.
Plant: Erect annual or perennial 1 to 14 inches tall; weak, hollow stems.
Leaves: Deep green, opposite, elliptic or ovate to round with dentate to entire margins; lower leaves short-petiolate, upper may be sessile.
Inflorescence: Clusters of 1 to less than 5 flowers each rising on pedicels from a pair of opposite bracts; flowers two-lipped yellow, tubular, 2/3 to 1-1/4 inches long; upper lip two-lobed, larger lower lip is 3-lobed with a few to several pale reddish-brown spots, and bearded throat.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, Jepson eFlora and www.americansouthwest.net
Notes: Some authorities do not consider M. tilingii a separate species, rather an alpine form of M. guttatus.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2021