The Collaborative International Dictionary
Wallwort \Wall"wort`\, n. (Bot.) The dwarf elder, or danewort ( Sambucus Ebulus).
Danewort \Dane"wort`\, n. (Bot.) A fetid European species of elder ( Sambucus Ebulus); dwarf elder; wallwort; elderwort; -- called also Daneweed, Dane's weed, and Dane's-blood.
Note: [Said to grow on spots where battles were fought against the Danes.]
Wikipedia
Sambucus ebulus, also known as danewort, dane weed, danesblood, dwarf elder or European dwarf elder, walewort, dwarf elderberry, elderwort and blood hilder is a herbaceous species of elder, native to southern and central Europe and southwest Asia. The species is also reportedly naturalized in parts of North America ( New York, New Jersey and Québec).
Usage examples of "sambucus ebulus".
The Romans, as Pliny records, made use of it in medicine, as well as of the Dwarf Elder (Sambucus Ebulus).