Either of two eastern North American plum trees or shrubs , Prunus alleghaniensis , having dark purple fruit , or P.americana , having yellow or red fruit .
生于北美东部的两种李子树或灌木之一，结深紫色果实的黑刺稠李，或结黄色或红色果实的金刺稠李。
Prunus alleghaniensis