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

Original Latin diagnosis:
Valeriana floribus tetrandris aequalibus, foliis pinnatifidis, seminibus palea ovali adnatis.

English translation:
Valeriana with flowers four-stamened [and] equal; with leaf blades pinnatifid; [and] with seeds to the oval palea adnate.

English translation with commentary:

Valeriana	Valeriana
with flowers	floribus - ablative plural of third declension masculine noun flos, floris
four-stamened	tetrandris - ablative plural masculine of group A adjective tetrandrus, -a, -um; modifies floribus
[and]	[added for smoother reading]
equal;	aequalibus - ablative plural masculine of group B adjective aequalis, -is, -e; modifies floribus
with leaf blades	foliis - ablative plural of second declension neuter noun folium, folii
pinnatifid;	pinnatifidis - ablative plural neuter of group A adjective pinnatifidus, -a, -um; modifies foliis
[and]	[added for smoother reading]
with seeds	seminibus - ablative plural of third declension neuter noun semen, seminis
to/with the palea	palea - ablative singular of first declension feminine noun palea, paleae; object of adnatis [Why not dative case?]
oval	ovali - ablative singular feminine of group B adjective ovalis, -is, -e; modifies palea
adnate.	adnatis - perfect participle, of deponent verb adnascor, adnasci, adnatus; agrees with