Tanacetum is a genus of about 70 species of flowering plant in the family Asteraceae, native to temperate regions of the Northern Hemisphere.

Common names include Tansy (Tanacetum vulgare; sometimes called Common Tansy or Garden Tansy) and Feverfew (Tanacetum parthenium); several other species are also known as tansies. Other common names include Bachelor's Buttons, Bitter Buttons, Boerenwormkruid, Buttons, Ginger Plant, Gold-buttons, Ponso, Solucanotu, Tanaceto, Tansy, Yomogi-Giku.

The name tansy is also sometimes given, improperly, (e.g. in the western United States) to ragwort, because in those areas ragwort is known as "tansy ragwort".

Tanacetum species are used as food plants by the larvae of some Lepidoptera species including Bordered Pug, Grey Pug, Lime-speck Pug, Tawny Speckled Pug, Wormwood Pug and the Coleophora case-bearers C. chrysanthemi (feeds exclusively on T. corymbosum), C. tanaceti (feeds exclusively on T. vulgare) and C. trochilella.

Selected species

Tanacetum abrotanifolium (L.) Druce
Tanacetum achilleifolium (M. Bieb.) Sch. Bip.
Tanacetum argenteum (Lam.) Willd.
Tanacetum atkinsonii (C.B.Clarke) Kitam.
Tanacetum balsamita L.
Tanacetum bipinnatum (L.) Sch. Bip.
Tanacetum camphoratum Less.
Tanacetum cinerariifolium (Trevir.) Sch. Bip.
Tanacetum coccineum (Willd.) Grierson
Tanacetum corymbosum (L.) Sch. Bip.
Tanacetum densum (Labill.) Sch. Bip.
Tanacetum ferulaceum (Sch. Bip.) Walp.
Tanacetum haradjanii (Rech. f.) Grierson
Tanacetum huronense Nutt.
Tanacetum macrophyllum (Waldst. & Kit.) Sch. Bip.
Tanacetum parthenifolium (Willd.) Sch. Bip.
Tanacetum parthenium (L.) Sch. Bip.
Tanacetum poteriifolium (Nordm.) Grierson
Tanacetum praeteritium (Horw.) Heywood
Tanacetum ptarmiciflorum (Webb) Sch. Bip.
Tanacetum vulgare L.
Sources: E+M NRCS, GRIN

References

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