cornelian cherry

1. A deciduous Eurasian shrub or small tree (Cornus mas) cultivated for its clusters of early blooming, small yellow flowers and cherrylike, edible, sour fruits.
2. The fruit of this plant, used for jellies and preserves.

[From CORNEL.]

The noun has one meaning:

Meaning #1: deciduous European shrub or small tree having bright red fruit
  Synonym: Cornus mas