Taxonomic history:
   1753: Linnaeus described this species as Salvia urticifolia in Species Plantarum, 1st ed., p. 24.
   today: The current name for this species is Salvia urticifolia L.

original Latin diagnosis
Salvia foliis ovato-oblongis duplicato-serratis, calycibus tridentatis: lacinia summa tridentata.

English translation
Salvia with leaf blades ovate-oblong [and] doubly serrate; with calyces three-toothed: with the lacinia uppermost three-toothed.

English translation with commentary

Salvia	Salvia
with leaf blades	foliis - ablative plural of second declension neuter noun folium, folii
ovate-oblong,	ovato-oblongis - ovato- (combining form of group A adjective ovatus, -a, -um) + oblongis (ablative plural neuter of group A adjective oblongus, -a, -um); modifies foliis
[and]	[added for smoother reading]
doubly serrate;	duplicato-serratis - duplicato- (combining form of group A adjective duplicatus, -a, -um) + serratis (ablative plural neuter of group A adjective serratus, -a, -um); modifies foliis
[and]	[added for smoother reading]
with calyces	calicibus - ablative plural of third declension masculine noun calyx, calycis
three-toothed:	tridentatis - ablative plural masculine of group A adjective tridentatus, -a, -um; modifies calycibus
with the lacinia	lacinia - ablative singular of first declension feminine noun lacinia, -ae
uppermost	summa - ablative singular feminine of superlative degree of group A adjective superus, -a, -um; modifies lacinia
three-toothed.	tridentata - ablative singular feminine of group A adjective tridentatus, -a, -um; modifies lacinia