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

Linaria purpurea (L.) Mill.
purple toadflax
Plantaginaceae (Mare's-tail family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Liz Watkinson  Email the photographer   (Photo ID #14476)

E-Flora BC Static Map
Distribution of Linaria purpurea
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Species Information

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Perennial herb from a taproot; stems erect, 40-100 cm tall, branched above, smooth, glaucous; milky juice appearing when stems or leaves broken.
Whorled, numerous, unstalked, linear to narrowly lanceolate, smooth-margined, 1-5 cm long, smooth.
Inflorescence of long, terminal, spike-like clusters of numerous short-stalked flowers, at first dense, elongating in age; corollas violet, rarely pink, with a white-hairy patch at the throat, about 8 mm long excluding the curved basal spur, which is more than 1/2 as long as the rest of the corolla, 2-lipped, the upper lip 2-lobed, the lower lip 3-lobed; calyces deeply 5-lobed, the lobes nearly distinct, linear; stamens 4.
Capsules, egg- to nearly globe-shaped; seeds numerous, angled, wingless, net-veined.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides and waste places; infrequent garden-escape in S BC; introduced from Europe.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Linaria purpurea

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) 720 720 720
Slope Gradient (%) 28 28 28
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
170 169 170
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 1
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

Additional Photo Sources

General References