E-Flora BC: Electronic Atlas of the Flora of British Columbia

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

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #2888)

E-Flora BC Static Map
Distribution of Veronica arvensis
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

Habitat / Range

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

Source: The Illustrated Flora of British Columbia

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

Minimum

Average

Maximum

Elevation (metres) 31 378 1000
Slope Gradient (%) 0 42 210
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
23 189 280
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 7
Modal Nutrient Regime
Class
C
Number 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)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References