Taxonomic history
1753: Linnaeus described this species as Achillea ageratum in Species Plantarum, 1st ed., p. 897 of Ray Society 1957 facsimile.
Today: The current name for this species is Achillea ageratum L.
original Latin diagnosis
Achillea foliis lanceolatis obtusis acute serratis.
English translation
Achillea with leaf blades lanceolate, obtuse, [and] sharply serrate.
| Achillea | Achillea |
| with leaf blades | foliis - ablative plural of first declension feminine noun corolla, -ae |
| lanceolate, | lanceolatis - ablative plural neuter of group A adjective lanceolatus, -a, -um; modifies foliis |
| obtuse, | obtusis - ablative plural neuter of group A adjective lanceolatus, -a, -um; modifies foliis |
| [and] | [added for smoother reading] |
| sharply | acute - adverb; modifies serratis |
| serrate. | serratis - ablative plural neuter of group A adjective serratus, -a, -um; modifies foliis |