American species of Strychnos.
D000349:Africa; D000470:Alkaloids / Q000032:analysis; D001208:Asia; D002874:Chromosome Mapping; D003472:Curare; D009656:North America; D010946:Plants, Medicinal / Q000032:analysis / Q000145:classification; D011058:Pollen; D013020:South America; D013331:Strychnine; D014117:Toxiferine
D000470:Alkaloids; D003472:Curare; D014117:Toxiferine; D013331:Strychnine