Veronica arvensis L.
wall speedwell (corn speedwell)
Plantaginaceae (Mare's-tail family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

Photograph

© Virginia Skilton     (Photo ID #2888)


Map

E-Flora BC Static Map

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

Species Information

General:
Annual herb from a taproot; stems erect, 5-30 cm tall/long, often decumbent or creeping at the base, simple to branched at the base, hairy, sometimes also glandular above.
Leaves:
Opposite, short-stalked below, unstalked above, egg-shaped to broadly elliptic, 0.5-1.5 cm long, coarse-toothed, hairy.
Flowers:
Inflorescence a terminal, bracted, glandular-hairy raceme, at first compact then elongating and lax, of several to many short-stalked flowers, the stalks 0.5-2 mm long, shorter than the bracts, the bracts alternate, the lowermost leaflike, reduced and entire and narrower than the leaves upward; corollas blue to blue-violet, inconspicuous, 2-3 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 glandular-hairy, 3-5 mm long, deeply 4-lobed, the lobes lanceolate, unequal; styles short, 0.4-1 mm long; stamens 2.
Fruits:
Capsules, 2.5-3.5 mm long, flattened, heart-shaped, about as wide as long, distinctly notched at the tip, fringed with hairs or glandular-hairy on the margins; seeds 8 to 12 per chamber, flat, smooth, about 1 mm long.

SourceThe Illustrated Flora of British Columbia

Illustration

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.

Ecology

Ecological Framework for Veronica arvensis

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

Avg

Min

Max

Elevation (metres)
378 31 1000
Slope Gradient (%)
42 0 210

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

189 23 280
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 0 7
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
77
Modal BEC Zone Class
CDF

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

CDF(13), CWH(1), ICH(2), IDF(2), PP(5), SBPS(1)

Habitat and Range

Dry to mesic lawns, fields and waste places in the lowland, steppe and montane zones; frequent in S BC; introduced from Europe.

SourceThe Illustrated Flora of British Columbia