The Bald Cypress (Taxodium distichum) tree is the classic tree of southern swamps. When grown in wet soil, it displays a peculiar habit of raising conical "knees" from its roots. The function of these growths is something of a mystery, although some believe it is a way to help the roots get oxygen. This tree dwells in swamps because it out-competes most other trees on such sites. To the surprise of many, the baldcypress does quite well when planted in the right soil in yards or along streets and

One of the most resilient trees on Earth is dying in droves