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

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.

Illustration Source:  The Illustrated Flora of British Columbia

Synonyms and Alternate Names:
Linaria dalmatica (L.) Mill.