Taxonomic history:
   1753: Linnaeus described this species as Polygonum uvifera in Species Plantarum, 1st ed., p. 365.
   today: The current name for this species is Coccoloba uvifera (L.) L.

original Latin diagnosis
Polygonum foliis subrotundis, caule arboreo, fructibus baccatis.

English translation
Polygonum with leaf blades almost round; with a stem tree-like; [and] with fruits berry-like.

English translation with commentary

Polygonum	Plygonum
with leaf blades	foliis - ablative plural of second declension neuter noun folium, -i
almost round;	subrotundis - ablative plural neuter of group A adjective subrotundus, -a, -um; modifies foliis
with a stem	caule - ablative singular of third declension masculine noun caulis, caulis
tree-like;	arboreo - ablative singular masculine of group A adjective arboreus, -a, -um; modifies caule
[and]	[added for smoother reading]
with fruits	fructibus - ablative plural masculine of fourth declension masculine noun fructus, fructus)
berry-like.	baccatis - ablative plural masculine of group A adjective baccatus, -a, -um; modifies fructibus