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Saw-wort

Serratula tinctoria
Serratula tinctoria.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Cynareae
Genus: Serratula
Species: S. tinctoria
Binomial name
Serratula tinctoria
L.

Serratula tinctoria, commonly known as dyer's plumeless saw-wort or saw-wort, is a species in the genus Serratula. It is a native of Europe and a thistle like flower head. It grows in moist soil, full sun to part shade, and grows up to one metre tall.

This is an introduced plant in a small area of the northeastern United States, where it is called the Dyer's plumeless saw-wort.

Serratula tinctoria is the source of a yellow dye. As a herbal preparation, the plant is thought to mend ruptures and wounds.



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Wikipedia

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