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| Tansy
Tanacetum vulgare |
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Tansy is a herbaceous perennial that
grows up to 5' tall. Stems are kind of hairy, woody, and purplish red near
the base. |
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Leaves: Leaves are 2-12" long and
are half as wide. The leaves are toothed and are strongly aromatic when
crushed. Flowers:
Flowers are clusters of bright yellow discs. Discs are around .5" wide and
they bloom in July through October.
Fruits & Seeds: Seeds are
yellowish brown and are dispersed by wind, water, and roadside mowing.
Roots: Spreads vegetatively
forming new plants from even small root fragments.
Ecological threats
 | Tansy invades well drained and
sandy soils in prairies, fields, pastures, and roadsides. |
| It is unpalatable to grazing
animals, and contains alkaloids that are toxic to both livestock and
humans if consumed in large quantities. |
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