Southern Catalpa (Catalpa bignonioides): Essential Guide How Good Is Catalpa Firewood? Axe Adviser **1. Cigar Tree Nickname** Catalpa's seed pods look like dangling cigars or green beans (up to 20 inches long!)earning it names like Cigar Tree or Indian Bean Tree. These pods stay Now that the leaves have fallen the exposed seed pods of some species are evident, hanging from the branches and rattling in the breeze. Wonder which species of trees you'll see with