Taxonomic history:
   1753: Linnaeus described this species as Salvia hispanica in Species Plantarum, 1st ed., p. 25.
   today: The current name for this species is Salvia hispanica L.

original Latin diagnosis
Salvia foliis ovatis basibus mucronato-tuberosis, spicis imbricatis, calycibus trifidis.

English translation
Salvia with leaf blades ovate [and] at the bases mucronate-tuberose; with spikes imbricate; [and] with calyces trifid.

English translation with commentary

Salvia	Salvia
with leaf blades	foliis - ablative plural of second declension neuter noun folium, folii
ovate,	ovatis - ablative plural neuter of group A adjective ovatus, -a, -um; modifies foliis
at the bases	basibus - ablative plural of third declension feminine noun basis, basis
mucronate-tuberose;	mucronato-tuberosis - mucronato- (combining form of group A adjective mucronatus, -a, -um) + tuberosis (ablative plural neuter of group A adjective tuberosus, -a, -um); modifies foliis
with spikes	spicis - ablative plural of first declension feminine noun spica, -ae
imbricate;	imbricatis - ablative plural feminine of group A adjective imbricatus, -a, -um; modifies spicis
[and]	[added for smoother reading]
with calyces	calycibus - ablative plural of third declension masculine noun calyx, calycis
trifid.	trifidis - ablative plural masculine of group A adjective trifidus, -a, -um; modifies calycibus