Retired professor of math and computer science having taught for 36 years at a state supported university in Virginia. United States Senators serve a term of six years in office. There is no limit on how many terms a Senator can be elected to serve.
Herbaceous perennials are garden plants that die back to the soil line when winter temperatures arrive. The plants enter a dormant period and strengthen the root system while waiting for the coming of spring.
By growth habit: Succulent plants-herbaceous or herbs (succulent seed plants possessing self-supporting stems) Vine-a climbing or trailing herbaceous plant (Liana-a climbing or trailing woody plant) Trees-having a single central axis Shrub-having several more or less upright stems 2.