The dodder is one kind of annual autoecious weed of alfalfa, cosmopolitan weed quarantine object.

摘要菟丝子苜蓿田中最常见的寄性恶性杂草，世界性的杂草检疫对象。

Herbs paludose or aquatic, perennial or under unfavorable conditions annual.

草本沼的或水，多植物的或在不利的状况下为草本的。

The kind of plant is a hardy annual.

这种植物的植物。