An Aroid is any plant that belongs to the Araceae. There are literally thousands of aroid species and hybrids. They range from aquatic to epiphytic, tiny to huge, dull to extremely bold.
Aroids grow all over the world and occur in a wide variety of climates.
There is something for everyone in this group. Take a look at some of my pictures, and decide which is your favorite. As I get more photos, I will post them here. Here are a few to start. Plants of the Arum family.