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。

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This market-share surge in a business known for glacial progress owes mainly to product innovations like colored ketchups (purple, pink, blue) and plastic squeeze bottles (see box, p. 128).

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