Page authors: Don Knoke, David Giblin
Myosotis discolor
yellow and blue forget-me-not, yellow and blue scorpiongrass
Specimens
Photos

Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Montana and Nevada; also in eastern North America.

Habitat: Roadsides, fields, wastelots, and other dry to moist open areas.

Flowers: April-August

Origin: Introduced from Europe

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bees, flies

Description:
General:

Slender, puberulent, sparsely-leafy annual from fibrous roots, the simple or moderately-branched stems 1-5 dm. tall.

Leaves:

Leaves 1-4 cm. long and 2-8 mm. wide, the lowermost oblanceolate, the others scattered, oblong to nearly linear.

Flowers:

Inflorescence of nearly naked spikes, usually elongate and paired, sometimes with a bract or two near the base; pedicels 1-3 mm. long, ascending; calyx 3-5 mm. long, the tube with short, hooked hairs, the 5 lobes appressed-puberulent; corolla tube narrow, the 5 lobes abruptly spreading, the limb 1-2 mm. wide, yellow, changing to blue; hairy appendages opposite the corolla lobes at the top of the tube.

Fruits:

Nutlets 4, attached near the base, brownish, smooth and shining.

Accepted Name:
Myosotis discolor Pers.
Publication: Syst. Veg. (ed. 15) 190 [1798]. 1797.

Synonyms & Misapplications:
Myosotis versicolor (Pers.) Sm.
Additional Resources:

PNW Herbaria: Specimen records of Myosotis discolor in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Myosotis discolor checklist entry.

OregonFlora: Myosotis discolor information.

E-Flora BC: Myosotis discolor atlas page.

CalPhotos: Myosotis discolor photos.

USDA Plants: Myosotis discolor information.

32 photographs:
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