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Field Thistle
Asteraceae
Cirsium discolor


gardengeek
gardengeek

Asteraceae Family

Cirsium Genus

Location

Found on Mount Olympus in Salt Lake City, Utah.

Physical Description
The radially symmetrical disk flowers are at the end of the branches. They have erect stems and prickly leaves, with a characteristic enlarged base of the flower which is commonly spiny. The leaves are alternate, and some species can be slightly hairy. Extensions from the leaf base down the stem, called wings, can be lacking (Cirsium arvense), conspicuous (Cirsium vulgare), or inconspicuous. They can spread by seed, and also by rhizomes below the surface (Cirsium arvense). The seed has tufts of tiny hair, or pappus, which can carry them far by wind.


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Asteraceae
Asterales
Asterales
Star Order (Daisies)
Euasterids II
Euasterids II
Real Stars Group Two
Asteridae
Asteridae
Class of Stars (Daisies)
Core Eudicots
Core Eudicots
Main, Real, Two First-Leaves (Dicots)
Eudicots
Eudicots
Real, Two First-Leaves (Dicots)
Mesangiospermae
Mesangiospermae
Half Capsule Seed Division
Magnoliophyta
Magnoliophyta
Magnolia Division
Spermatophytes
Spermatophytes
Seed Plants
Euphyllophytina
Real Land Plants
Polysporangiates
Multiple Spore Sub-Kingdom
Stomatophytes
Stomatophytes
Air Pores Sub-Kingdom
Embryophytes
Embryophytes
Multicellular Land Plants
Streptobionta
Streptobionta
Multicellular Plants
Plantae
Plantae
Plants
Eukaryota
Eukaryota
Cells with a Nucleus


General Information

Some other common species are: Cirsium lanceolatum, Cirsium palustre, Cirsium oleraceum.

Thistles were used as a remedy against swollen veins.



Bull Thistle - Plant
Bull Thistle - Plant - June 07, 2009



Bull Thistle - Plant
Bull Thistle - Plant - June 07, 2009



Bull Thistle - Plant
Bull Thistle - Plant - June 07, 2009



Bull Thistle - Plant
Bull Thistle - Plant - June 07, 2009



Bull Thistle - Plant
Bull Thistle - Plant - June 07, 2009



Bull Thistle - Plant
Bull Thistle - Plant - June 07, 2009



Bull Thistle - Plant
Bull Thistle - Plant - June 07, 2009



Bull Thistle - Plant
Bull Thistle - Plant - June 07, 2009

Comment: Field Thistle, Cirsium discolor

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