Page author: David Giblin
Veronica anagallis-aquatica
blue water speedwell
WTU specimens
Other herbaria

Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.

Habitat: In or along slow-moving streams in the lowlands.

Flowers: June-September

Origin: Introduced from Europe

Conservation Status: Not of concern

Description:
General:

Glabrous, short-lived perennial from fibrous roots, the stems usually erect, 2-10 dm. tall.

Leaves:

Leaves opposite, sessile and clasping, elliptic-ovate to elliptic-oblong, 2-10 cm. long and 0.7-5 cm. wide, sharply serrate to entire.

Flowers:

Inflorescence of many-flowered racemes on long peduncles arising in the leaf axils; calyx of 4 highly variable sepals; corolla blue, rotate, 4-lobed, the upper lobe the largest, about 5 mm. wide; style 1.5-2.5 mm. long; pedicels up-curved, 3-8 mm. long; stamens 2.

Fruits:

Capsule swollen, 2.5-4 mm. high and wide, scarcely notched.

Accepted Name:
Veronica anagallis-aquatica L.
Publication: Sp. Pl. 1: 12. 1753.

Synonyms & Misapplications:
Veronica anagallis L., invalidly published, nomen nudum
Additional Resources:

PNW Herbaria: Specimen records of Veronica anagallis-aquatica in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Veronica anagallis-aquatica checklist entry.

E-Flora BC: Veronica anagallis-aquatica atlas page.

CalPhotos: Veronica anagallis-aquatica photos.

USDA Plants: Veronica anagallis-aquatica information.

25 photographs:
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