The poison used here, and called kombi, is obtained from a species of strophanthus, and is very virulent.    From Wordnik.com.  [A Popular Account of Dr. Livingstone's Expedition to the Zambesi and Its Tributaries] Reference

But the drug strophanthus, prescribed for old Mr. Beesley, was not one of them.    From Wordnik.com.  [The Combined Maze] Reference

After having recovered somewhat under the influence of the drug strophanthus, he now became depressed, listless, easily fatigued.    From Wordnik.com.  [The Combined Maze] Reference

It is now recognized as an energetic cardiac poison, comparable with strophanthus, destined to play an important part in therapeutics.    From Wordnik.com.  [The Medicinal Plants of the Philippines] Reference

It is the most powerful of the group, often causing sickness and diarrhoea; it acts more irritantly on the mucous membrane than either strophanthus, or digitalis, and it may be this stimulating effect which is the cause of its violent diuretic action, though some authorities consider that this is caused by dilatation of the renal arteries.    From Wordnik.com.  [Find Me A Cure] Reference

He's giving himself strophanthus now, for his heart. ".    From Wordnik.com.  [The Combined Maze] Reference

"Tincture of strophanthus, sodæ bicarb., and spirits of chloroform.    From Wordnik.com.  [The Combined Maze] Reference