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。

youdao

North American mulberry having dark purple edible fruit.

北美桑树，深紫色果实，可食。

youdao

Sweet usually dark purple blackberry-like fruit of any of several mulberry trees of the genus'.

甜的、深紫色的、像黑莓般的、桑属树的果实。

youdao

Separately, an arbor anchored on the top terrace offers two seasons of interest: A purple wisteria blooms in spring, and a Concord grapevine provides armfuls of dark-blue fruit in the summer.

WSJ: Who Put Lettuce in My Daffodils?