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

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

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #74893)

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Distribution of Centaurea montana
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Species Information

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General:
Perennial herb from a taproot; stems erect, usually simple, narrow-winged, lightly hairy, 30-80 cm tall.
Leaves:
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.
Flowers:
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.
Fruits:
Achenes light yellow, glossy, 5-6 mm long; pappus about 0.5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

Source: The Illustrated Flora of British Columbia

Climate

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.

Synonyms and Alternate Names

Centaurea montana var. alba hort.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References