Centaurea x moncktonii C.E. Britton
meadow knapweed
Asteraceae (Aster family)

Introduction to Vascular Plants


© Doug Murphy     (Photo ID #26296)


E-Flora BC Static Map

Distribution of Centaurea x moncktonii
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Species Information

Perennial herb from a taproot; stems erect, branched, thinly hairy, 40-80 cm tall.
Basal leaves oblanceolate to lanceolate, simple to irregularly pinnately cut or with a wavy margin, sparsely long-hairy above, long-hairy below, soon deciduous; stem leaves similar, reduced upwards.
Heads discoid, few to many, solitary at the ends of branches; disk flowers reddish-purple, the sterile marginal ones, if present, about 30 mm long, enlarged at the tips with 5 narrow lobes, the central ones perfect and about 20 mm long; involucres 12-18 mm tall, 10-14 mm wide; involucral bracts with enlarged, tattered or sometimes comb-like, light to dark brownish, often papery appendages at the tips, these wider than the bracts.
Achenes 2-3 mm long; pappus lacking or of papery bristles, 4-5 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 to dry fields and waste places in the lowland, steppe and montane zones; infrequent in S BC south of 56degreeN; introduced from Europe.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Centaurea debeauxii Gren. & Godr.