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

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

Introduction to Vascular Plants

Photograph

Map

Distribution of Linaria genistifolia
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SUBTAXA PRESENT IN BC

Linaria genistifolia ssp. dalmatica

Species Information

General:
Perennial herb from a long creeping rhizome; stems erect, 40-120 cm tall, branched above, smooth, glaucous; milky juice appearing when stems or leaves broken.

Leaves:
Alternate, numerous, unstalked, clasping the stem at the base, egg-shaped to broadly lanceolate, smooth-margined, 2-6 cm long, smooth, glaucous.

Flowers:
Inflorescence a long, terminal, spike-like cluster of numerous short-stalked flowers; corollas bright yellow with a central, orange- to white-hairy patch at the throat, 25-40 mm long including the long straight basal spur, which is shorter than the rest of the corolla, 2-lipped, the upper lip 2-lobed, the lower lip 3-lobed; calyces 5-8 mm long, deeply 5-lobed, the lobes nearly distinct, broadly lanceolate; stamens 4.

Fruits:
Capsules, cylindric-egg-shaped to nearly globe-shaped, 6-8 mm long; seeds numerous, wrinkled and slightly wing-angled, 1-2 mm long.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Linaria genistifolia

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
Site Information	Avg	Min	Max
Elevation (metres)	666	328	1030
Slope Gradient (%)	31	0	79
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	202	30	350
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	2	0	5
Modal Nutrient Regime Class	C
# of field plots species was recorded in:	51
Modal BEC Zone Class	PP
All BEC Zones (# of stations/zone) species was recorded in	BG(11), ICH(2), IDF(13), PP(25)
Source: Klinkenberg 2013

Habitat and Range

Roadsides and waste places; common in BC south of 55degreeN, except absent from the Queen Charlotte Islands; introduced from Europe.

Source: The Illustrated Flora of British Columbia