n :  a genus of shrubs or small trees (family Rhamnaceae) that are chiefly native to Mexico and the southwestern U.S., have flowers with small hooded short-clawed petals and fleshy drupes, and include one (K. humboldtiana) with a fruit that has been known to poison birds (as domestic chickens)
 
Karwinsky Von Karwin, Wilhelm (d 1855), German traveler. The genus Karwinskia was named in Karwinsky's honor in 1832.
 
 
 
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