Four mammoth branches dangle to the ground like elephant trunks. They snake along the grass like knee-bound penitents scraping to a pilgrimage's end, only to rise again to the height of small trees to drink in the sun. The live oak at Elizabeth Baldwin Park is one twisted granddaddy of a tree. Despite relatively weak ordinances to protect local flora, Houston has a splendid mix of sycamores, maples, magnolias and countless others. But it is the stately live oak that defines the region. Some, like the venerable giant at Glenwood Cemetery and the strapping specimen that is Baytown's emblem, are woven into the fabric of local lore. Entire lanes around Rice University and elsewhere are graced with gnarled canopies. For its grand dimensions and gravity-defying posture, the live oak at Elizabeth Baldwin Park is truly unique. It stands amid a cluster of hoary, green old-timers whose delicious shade invites squirrels, blue jays and people looking for reprieve. The park dates back to 1909. Chances are the tree was there long before that. It remains an august presence amid new construction on Chenevert, Crawford and other surrounding streets.