Taxonomic history:
   1753: Linnaeus described this species as Valeriana montana in Species Plantarum, 1st ed., p. 32.
   today: The current name for this species is Valeriana montana L.

Original Latin diagnosis:
Valeriana floribus triandris, foliis ovato-oblongis subdentatis, caule simplici.

English translation:
Valeriana with flowers three-stamened; with leaf blades ovate-oblong [and] subdentate; [and] with a stem unbranched.

English translation with commentary:

Valeriana	Valeriana
with flowers	floribus - ablative plural of third declension masculine noun flos, floris
three-stamened;	triandris - ablative plural masculine of group A adjective triandrus, -a, -um; modifies floribus
with leaf blades	foliis - ablative plural of second declension neuter noun folium, -i
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)
[and]	[added for smoother reading]
subdentate;	subdentatis - ablative plural neuter of group A adjective subdentatus, -a, -um; modifies foliis
[and]	[added for smoother reading]
with a stem	caule - ablative singular of third declension masculine noun caulis, caulis
unbranched.	simplici - ablative singular masculine of group B adjective simplex, simplex, simplex; modifies caule