Centaurea montana L.
mountain bluet (perennial cornflower)
Asteraceae (Aster family)

Introduction to Vascular Plants


© Bryan Kelly-McArthur     (Photo ID #74893)


E-Flora BC Static Map

Distribution of Centaurea montana
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Species Information

Perennial herb from a taproot; stems erect, usually simple, narrow-winged, lightly hairy, 30-80 cm tall.
Basal and lower to middle stem leaves broadly lanceolate, entire, the bases winged and continuous with the stems, lightly woolly below, nearly glabrous above, reduced upwards.
Heads discoid, solitary on the stems; involucres 20-25 mm tall, 12-15 mm wide; involucral bracts egg-shaped to narrowly egg-shaped, glabrous, with dark brown or black, tattered margins towards the apex; disk flowers blue, rarely white, the sterile marginal ones 40-45 mm long, enlarged at the tips with five lobes, the central perfect ones about 16 mm long.
Achenes light yellow, glossy, 5-6 mm long; pappus about 0.5 mm long.

SourceThe 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.

Habitat and Range

Mesic roadsides and waste places in the lowland zone; infrequent in SW BC, known from S Vancouver Island and the adjacent mainland; introduced from Europe.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Centaurea montana var. alba hort.