Erythranthe decora
sharp-leaved monkey-flower, showy monkey-flower
Specimens
Photos

Distribution: Occurring chiefly west of the Cascades crest in Washington; southern British Columbia to southwestern Oregon, also in northern Idaho.

Habitat: Moist to wet open areas from the lowlands to middle elevations in the mountains.

Flowers: May-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Rhizomatous perennials, occasionally producing many long runners from nodes near base; stems 20-100 cm, erect, not branched, ends of stems densely pubescent with minute and somewhat rigid hairs.

Leaves:

Leaves mostly cauline, basal leaves generally not persistent; petioles 8-25 mm near base, 3-5 mm mid-stem, sessile distally; blade ovate-triangular to ovate-lanceolate, typically 20-50 mm long and 10-30 mm broad, palmate venation with 5-7 veins, base rounded to truncate to shallowly cuneate, margins sharply toothed, apex acute, surfaces occasionally becoming glabrous, distalmost surfaces hairy as stems.

Flowers:

Axillary flowers generally 2-7, emerging from nodes at ends of stems; fruiting pedicels 18-35 mm, distalmost pedicels hairy as stems with hairs often barely deflexed; calyx green with occasional red spots, ovoid, inflated, compressed across sagittal plane, 15-19 mm, hairy as stems, throat closing, lobe margins villous; corollas yellow, throat commonly red-spotted, symmetric bilaterally, bilabiate; tube-throat widely funnel-shaped, 18-26 mm, protruding 10-15 mm beyond calyx margin; limb expanded 22-30 mm; styles prominently hirsute to villous; anthers not protruding, glabrous.

Fruits:

Capsules 8-10 mm, included.

Accepted Name:
Erythranthe decora (A.L. Grant) G.L. Nesom
Publication: Phytoneuron 2012–39: 43. 2012.

Synonyms & Misapplications:
Mimulus decorus (A.L. Grant) Suksd.
Mimulus guttatus DC. var. decorus A.L. Grant
Additional Resources:

PNW Herbaria: Specimen records of Erythranthe decora in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Erythranthe decora checklist entry.

E-Flora BC: Erythranthe decora atlas page.

CalPhotos: Erythranthe decora photos.

USDA Plants: Erythranthe decora information.

14 photographs:
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