E-Flora BC: Electronic Atlas of the Flora of British Columbia

Mimulus lewisii Pursh
pink monkey-flower (Lewis' monkey-flower; purple monkeyflower)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Mark Gardiner  Email the photographer   (Photo ID #66495)

E-Flora BC Static Map
Distribution of Mimulus lewisii
Click here to view our NEW interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

Perennial herb from a stout branching rhizome; stems robust, erect, 30-100 cm tall, sticky-soft-hairy.
Opposite, unstalked, usually clasping-based, lanceolate to egg-shaped or elliptic, 3-7 cm long, irregularly toothed to nearly entire, palmately 3- to 5-veined from the base, sticky-hairy; lowermost leaves much reduced.
Inflorescence a loose terminal cluster of several, long-stalked flowers in the axils of the upper leaves, the stalks 3-10 cm long; corollas pink-purple to rose-red with yellow markings, tubular, 3-5.5 cm long, weakly 2-lipped, the lips spreading, the upper lip 2-lobed, the lower 3-lobed and with 2 yellow-hairy ridges within; calyces narrowly bell-shaped, 1.5-3 cm long, glandular-hairy, 5-toothed, the teeth triangular and more or less equal; stamens 4, the filaments smooth, the anthers long-hairy on the back.
Capsules, narrowly oblong, long-pointed, 13-16 mm long; seeds numerous, about 0.7 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to moist streambanks, seepage areas, meadows and avalanche tracks in the montane to lower alpine zones; frequent in BC south of 55degreeN, except absent on the Queen Charlotte Islands; N to SE AK, E to W AB and S to CO, UT, NV and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Mimulus lewisii

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 30 1583 2390
Slope Gradient (%) 0 21 66
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
1 181 352
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 5 8
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(4), CMA(5), CWH(4), ESSF(41), ICH(3), MH(8)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is alpine tundra & boreal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References