Page author: David Giblin
Veronica serpyllifolia
thyme-leaved speedwell
WTU specimens
Other herbaria

Distribution: Widely distributed throughout Washington; widely distributed throughout most of North America.

Habitat: Moist meadows and disturbed sites, lowlands to mid-elevations in the mountains.

Flowers: May-August

Origin: Both native and introduced

Conservation Status: Not of concern

Description:
General:

Perennial from branching, creeping rhizomes, the stems 1-3 dm. long, finely puberulent, often producing prostrate, lower branches, otherwise simple.

Leaves:

Leaves opposite, elliptic to broadly ovate, 1-2.5 cm. long and 0.5-1 cm. wide, glabrous, entire or slightly toothed, the lower often short-petiolate, the others sessile.

Flowers:

Flowers on short pedicels in a loose, elongate, terminal raceme, the upper subtending bracts alternate; sepals 4; corolla bright blue to white, 4-8 mm. wide, rotate, 4-lobed, the upper lobe the largest; style 2-3.5 mm. long; stamens 2.

Fruits:

Capsule 3-4 mm. high, broader than high, notched, finely glandular-pubescent,

Accepted Name:
Veronica serpyllifolia L.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. humifusa – thyme-leaved speedwell
var. serpyllifolia – thyme-leaved speedwell
Additional Resources:

PNW Herbaria: Specimen records of Veronica serpyllifolia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Veronica serpyllifolia checklist entry.

E-Flora BC: Veronica serpyllifolia atlas page.

CalPhotos: Veronica serpyllifolia photos.

USDA Plants: Veronica serpyllifolia information.

54 photographs:
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