Lady Bird Johnson Wildflower Center - The University of Texas at Austin information

 Native Plant Database

Cirsium scariosum

Meadow thistle

Asteraceae (Aster Family)

Cirsium scariosum (Meadow thistle)
Meadow Thistle is a member of the aster family (family Asteraceae) which includes herbs, sometimes shrubs or vines, rarely trees, with simple or compound, alternate or opposite leaves. Flowers small, but organized into larger heads resembling a single, radially symmetrical flower cupped by a ring of green bracts. Flower-like heads: tiny, radially symmetrical central flowers form the disk; larger flowers around the edge, the rays, strap-shaped and resembling petals; however, all flowers in one had may be disk flowers or rays.

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Plant Characteristics

Duration: Biennial
Habit: Herb

Bloom Information

Bloom Color: White , Pink , Purple


USA: ID , MT , OR , UT , WA , WY
Canada: AB , BC , QC

Last Update: 2007-01-01