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

Erythranthe caespitosa Regel(Greene) A.L. Grant
mountain monkey-flower (large mountain monkey-flower)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #1333)

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Distribution of Erythranthe caespitosa
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Species Information

Low perennial herb from a creeping rhizome, sometimes also with stolons; stems erect to decumbent at the base, 5-20 cm tall, sometimes branched, smooth or sparsely hairy.
Opposite, short-stalked to unstalked, elliptic to egg- or diamond-shaped, the blades 5-25 mm long, irregularly few-toothed, palmately 3- to 5-veined from the base; leaves not much reduced upward.
Inflorescence of 1 to 3 (5) long-stalked flowers in the axils of the upper leaves, the stalks 1-6 cm long; corollas tubular, broadly funnel-shaped, yellow with maroon markings in the flaring throat, 2-4 cm long, strongly 2-lipped, the lips spreading, the upper lip 2-lobed, the lower 3-lobed, yellow-hairy at the throat; calyces bell-shaped, pale yellow-green with reddish spots, smooth to minutely hairy, 7-15 mm long in flower, to 20 mm and asymmetrically swollen in fruit, 5-toothed, hairy in the notches between the teeth, the upper tooth larger than the others; stamens 4.
Capsules, oblong to oval, rounded at the tip, 5-10 mm long; seeds numerous, about 0.5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet mossy seepage areas, meadows, rivulets and streambanks in the montane to alpine zones; frequent in BC south of 52degreeN, infrequent in WC BC north to 54degreeN, except absent from the Queen Charlotte Islands.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Mimulus tilingii var. caespitosus (Greene) A.L. Grant
Erythranthe caespitosa Regel
Mimulus alpinus
Mimulus implexus Greene
Mimulus luteus var. alpinus A. Gray
Mimulus scouleri var. caespitosus Greene

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References