Taxonomic history:
   1753: Linnaeus described this species as Valeriana rubra in Species Plantarum, 1st ed., p. 31.
   today: The current name for this species is Centranthus ruber (L.) DC.

Original Latin diagnosis:
Valeriana floribus monandris caudatis, foliis lanceolatis integerrimis.

English translation:
Valeriana with flowers one-stamened [and] caudate; with leaf blades lanceolate [and] entire.

English translation with commentary:

Valeriana	Valeriana
with flowers	floribus - ablative plural of third declension masculine noun flos, floris
one-stamened	monandris - ablative plural neuter of group A adjective monandrus, -a, -um; modifies floribus
[and]	[added for smoother reading]
caudate;	caudatis - ablative plural masculine of group A adjective caudatus, -a, -um; modifies floribus
[and]	[added for smoother reading]
with leaf blades	foliis - ablative plural of second declension neuter noun folium, -i
lanceolate	lanceolatis - ablative plural neuter of group A adjective lanceolatus, -a, -um; modifies foliis
[and]	[added for smoother reading]
entire.	integerrimis - ablative singular feminine of group A adjective integerrimus, -a, -um; modifies foliis