Veronica filiformis
thread-stalk speedwell
WTU specimens
Other herbaria

Distribution: Introduced west of the Cascades, British Columbia to California, and in Idaho; and Michigan to New York, south to West Virginia in the east

Habitat: Weed of lawns and gardens

Flowers: April - June

Origin: Introduced

Conservation Status: Not of concern

Description:
General:

Mat-forming perennial, the stems 1-4 dm. long, lax, simple or branched below, loosely ascending, often rooting at the lower nodes.

Leaves:

Principal leaves opposite, short-petiolate, the blade broadly elliptic to nearly orbicular, cordate based, with short, broad teeth, 1-2 cm. long and three-fourths or more as wide.

Flowers:

Flowers single on long pedicels (up to 6 cm. in fruit) along an elongate stem, each subtended by a leaf-like, alternate bract, which are reduced upward; sepals 4, prominent, often veiny; corolla bluish-lavender, 5-11 mm. wide, rotate, 4-lobed; the upper lobe the largest; style 1.5-2.5 mm. long; stamens 2.

Fruits:

Capsule 5-9 mm. wide and 3-5 mm. high.

Accepted Name:
Veronica filiformis Sm.
Publication: Trans. Linn. Soc. London 1: 195. 1791.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Veronica filiformis checklist entry.

E-Flora BC: Veronica filiformis atlas page.

CalPhotos: Veronica filiformis photos.

USDA Plants: Veronica filiformis information.

8 photographs:
Group by