Veronica filiformis Sm.
slender speedwell (threadstalk speedwell)
Plantaginaceae (Mare's-tail family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #6423)


E-Flora BC Static Map

Distribution of Veronica filiformis
Click here to view the full interactive map and legend

Species Information

Perennial herb from a slender rhizome; stems numerous, slender, creeping, 10-40 cm long, mat-forming, rooting at the nodes, hairy.
Opposite, short-stalked, kidney-shaped in outline, about 0.5 cm long, slightly wider than long, blunt-toothed, squared-off at the base, hairy.
Inflorescence a terminal, open raceme of several to many stalked flowers solitary in the axils of alternate, nearly full-size leaves, the thread-like stalks 1-3 cm long, several times as long as the subtending leaves, downcurved in fruit; corollas pale lavender-blue, saucer-shaped, 10-15 mm across, irregularly 4-lobed, the lobes much longer than the short tube, the upper lobe largest, the lowest lobe narrower than the others; calyces 3-5 mm long, deeply 4-lobed, the lobes oblong; styles about 3 mm long; stamens 2.
Capsules, 3-4 mm long, plump, nearly globe-shaped, wider than long, notched at the tip, fringed with long hairs; seeds cup-shaped, about 1.5 mm long.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.


Ecological Framework for Veronica filiformis

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres)
1585 1585 1585
Slope Gradient (%)
55 55 55

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

349 350 350
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 0 0
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in


Habitat and Range

Moist grassy clearings and lawns in the lowland zone; rare in SW and SC BC; introduced from Asia.

SourceThe Illustrated Flora of British Columbia