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

Veronica catenata Pennell
pink water speedwell
Plantaginaceae (Mare's-tail family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants
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Distribution of Veronica catenata
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Species Information

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Perennial or sometimes biennial, amphibious herb from a shallow creeping rhizome, smooth throughout, sometimes glandular; stems sprawling or decumbent to ascending, 10-60 (100) cm long/tall, rooting at the lower nodes, simple to much-branched at the base, somewhat fleshy, often purple-tinged.
Opposite, mostly unstalked, somewhat clasping-based, lanceolate to oblong, 2-6 (9) cm long, 3-5 times as long as wide, entire or obscurely toothed.
Inflorescences several long, rather narrow, lax, opposite, stalked racemes arising from the axils of upper leaves, the racemes of 15 to 25 stalked flowers, the flower stalks straight and spreading, 3-7 mm long, slightly shorter than the reduced, broadly lanceolate bracts; corollas white to pink with darker lines or pale blue, saucer-shaped, 4-5 mm across, irregularly 4-lobed, the lobes much longer than the short tube, the lowest lobe narrower than the others; calyces about 3 mm long, deeply 4-lobed, the lobes unequal, broadly lanceolate to egg-shaped; styles 1.3-2 mm long, exserted; stamens 2.
Capsules, 2.5-3 mm long, a little wider than long, plump, somewhat globe-shaped, evidently notched at the tip; seeds numerous, flattened, 0.3-0.7 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet meadows, ditches, shores, and shallow water along pond edges and slow-moving streams in the lowland and montane zones; rare in S BC; E to PQ and S to PA, OH, MO, OK, NM and CA; Europe.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Veronica catenata

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) 1310 1310 1310
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
8 8 8
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: IDF(1)


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

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General References