Page author: Don Knoke
Myosotis micrantha
blue scorpion-grass
WTU specimens
Other herbaria
WTU images

Distribution: Introduced over most of northern United States and southern Canada; in Washington, chiefly east of the Cascades, where fairly common.

Habitat: Roadsides, stream banks, and moist to dry open places.

Flowers: April - June

Origin: Introduced

Conservation Status: Not of concern


Puberulent annual or winter annual, the stem usually branched near the base, up to 2 dm. tall.


Leaves up to 2 cm. long and 7 mm. wide, the lowermost oblanceolate, the others oblong or elliptic.


Stems with flowers nearly to the base, the racemes leafy-bracteate below; pedicels less the 2 mm. long, ascending; calyx 3-5 mm. long,, the tube with short, hooked hairs, the 5 lobes with appressed hairs; corolla tube narrow, the 5 lobes abruptly spreading, the limb 1-2 mm. wide, blue; hairy appendages opposite the corolla lobes at the top of the tube; style shorter than the nutlets.


Nutlets 4, attached near the base, light brown, smooth and shining.

Accepted Name:
Myosotis micrantha Pall. ex Lehm.

Synonyms & Misapplications:
Myosotis stricta Link ex Roem. & Schult., misapplied [ILBC2]
Additional Resources:

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

WA Flora Checklist: Myosotis micrantha checklist entry.

E-Flora BC: Myosotis micrantha atlas page.

CalPhotos: Myosotis micrantha photos.

USDA Plants: Myosotis micrantha information.

21 photographs:
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