Erythranthe lewisii
pink monkey-flower
Scrophulariaceae (Butterfly-bush family)

Introduction to Vascular Plants


© Mark Gardiner     (Photo ID #66495)


E-Flora BC Static Map

Distribution of Erythranthe lewisii
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Species Information

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.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and 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.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Mimulus lewisii Pursh