winter cherry

noun
1.
Also called Chinese lantern plant. a Eurasian ground cherry, Physalis alkekengi, of the nightshade family, bearing fruit enclosed in a showy, orange-red, inflated calyx.
2.
the red, berrylike fruit of this plant.
Also called alkekengi.
Origin
1540-50
British Dictionary definitions for winter cherry

winter cherry

noun
1.
a Eurasian solanaceous plant, Physalis alkekengi, cultivated for its ornamental inflated papery orange-red calyx
2.
the calyx of this plant