The tree is valued for its fruit, which is oblong to pyriform in shape, 2-5 in.
They are globular, ovoid, or pyriform, and are sold by the individual pearl.
The egg of the Emperor is white, pyriform in shape, and weighs just under 1 lb.
Ovicells aculeate, with strong widely set spines, pyriform depressed.
The body is pyriform, with the shell opening at the larger end.