Serratula tinctoria, commonly known as Saw-wort, is a species in the genus Serratula. It is a native of Europe. It grows in moist soil, full sun to part shade,^[1] and grows up to one meter 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.^[2]

Flowers of Serratula tinctoria

Leaf of Serratula tinctoria

Uses

S. tinctoria is the source of a yellow dye.^[1]

References

1. ^ ^{a b} "Serratula tinctoria". Plants For A Future. http://www.pfaf.org/database/plants.php?Serratula+tinctoria. 
2. ^ "Serratula tinctoria". USDA PLANTS. http://plants.usda.gov/java/profile?symbol=SETI2.