| Echinops exaltatus | |
|---|---|
| | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Echinops |
| Species: | E. exaltatus |
| Binomial name | |
| Echinops exaltatus Schrad. 1818 not Koch 1843 | |
| Synonyms [1] | |
| |
Echinops exaltatus, the Russian globe thistle or tall globe thistle, [2] is European species of globe thistle in the family Asteraceae. It is native to central and eastern Europe from Germany and Italy east into Russia. [3] The species has escaped cultivation and become established in the wild in scattered locations in eastern Canada and the northern United States. [4]
Echinops exaltatus is the largest of all globe thistles, a branching perennial herb up to 150 cm (60 inches or 5 feet) tall. One plant can produces several flower heads, each with a very nearly spherical array of white or pale blue disc florets but no ray florets. [2]