“gamopetalous corolla”造句，怎麼用gamopetalous corolla造句

The lower, cylindrical part of a gamopetalous corolla or a gamosepalous calyx.

a group of families of more or less advanced trees and shrubs and herbs having either polypetalous or gamopetalous corollas and often with ovules attached to the walls of the ovary; contains 69 families including Ericaceae and Cruciferae and Malvaceae; sometimes classified as a superorder.