Taxonomic history:
   1753: Linnaeus described this species as Valeriana mixta in Species Plantarum, 1st ed., p. 34.
   today: The current name for this species is Centranthus calcitrapae (L.) Dufr.

Original Latin diagnosis:
Valeriana floribus triandris, caule quadrifido, foliis imis bipinnatifidis, seminis pappo plumoso.

English translation:
Valeriana with flowers three-stamened; with a stem four-cleft; with leaf blades the lowest bipinnatifid; [and] of a seed a pappus plumose.

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 a stem	caule - ablative singular of third declension masculine noun caulis, caulis
four-cleft;	quadrifido - ablative singular masculine of group A adjective quadrifidus, -a, -um; modifies caule
with leaf blades	foliis - ablative plural of second declension neuter noun folium, -i
the lowest	imis - ablative plural neuter of group A adjective imus, -a, -um; modifies foliis
bipinnatifid;	bipinnatifidis - ablative plural neuter of group A adjective bipinnatifidus, -a, -um; modifies foliis
[and]	[added for smoother reading]
of a seed	seminis - genitive singular of third declension neuter noun semen, seminis
a pappus	pappo - ablative singular of second declension masculine noun pappus, -i
plumose.	plumoso - ablative singular masculine of group A adjective plumosus, -a, -um; modifies pappo