What kind of plant does tea come from and coffee is the caffeine natural?

Tea comes from the Camellia sinensis plant. There are different varieties of this plant that produce different types of tea, like black, green, white, and oolong.

Yes, caffeine is naturally occurring in coffee beans. Coffee beans are the seeds of the Coffea plant. The caffeine in coffee is a natural stimulant that helps to give you that "pick-me-up" feeling.