Knautia arvensis (L.) J.M. Coult.
field scabious (field scabiosa)
Dipsacaceae (Teasel family)

Introduction to Vascular Plants


© Virginia Skilton     (Photo ID #8814)


E-Flora BC Static Map

Distribution of Knautia arvensis
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Species Information

Perennial herb from a taproot and sometimes elongate stem-base; stems erect, more or less stiff-hairy, 0.3-1.0 m tall.
Basal leaves coarsely toothed; stem leaves oblanceolate, opposite, deeply pinnatifid, with narrow lateral and broader terminal segments, 10-25 cm long, reduced upwards.
Inflorescence of dense, hemispheric heads terminating long naked stalks, 1.5-4 cm wide; corollas lilac or purple, funnel-shaped, 9-12 mm long, 4-lobed, outermost ones largest, glabrous; calyces cuplike, 3-4 mm long, usually with 8 bristlelike teeth; involucral bracts equal, 8-12 mm long; receptacles not scaly, merely hairy.
Achenes, 5-6 mm long, 4-angled, densely hairy.

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

Dry roadsides and fields in the montane zone; rare in C and SC BC; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Scabiosa arvensis L.