Vix prece finita, torpor gravis occupat artus: / mollia cinguntur tenui praecordia libro, / in frondem crines, in ramos bracchia crescunt, / pes modo tam velox pigris radicibus haeret, / ora cacumen habet; remanet nitor unus in illa. (P.Ovidius Naso, Metamorphoses I, vv.547-551)
This is a Baobab tree. Can store an enormous amount of water. What's funny are the comments on http://imgur.com/gallery/o3wLu "But it sits over the richest deposit of unobtanium on the planet. Obviously we have to blow it up and start strip-mining" & "Yeah, your mom used the "retaining water" excuse, too" etc
Rainbow Eucalyptus trees on Maui, Hawaii The phenomenon is caused by patches of bark peeling off at various times and the colors are indicators of age. A newly shed outer bark reveals bright greens which darken over time into blues and purples and then orange and red tones.