calyx

The outermost whorl of flower parts, comprising the sepals, which covers and protects the petals as they develop.

Black crowberry. Empetrum nigrum. Crowberry Family. Fruit. — The black drupe is berrylike, globular, and incloses six to nine seedlike nutlets with a seed in each. The calyx is at the base and the stigma is at the apex. The drupes are solitary in the leaf axils. They are juicy, acid, edible, and serve as food for the Arctic birds.

Any of various cup-like structures.

Any of various cup-like structures.

Any of various cup-like structures.

Any of various cup-like structures.