The name of this taxa should be Taxodium disticum var. edwardensis

This tree is the bald cypress that grows in the limestone uplift of central Texas. It is very different from the eastern species. Example it grows and is adapted to very alkaline soil which the eastern genotypes are not. It grows in dry sites and withstand extended drouth unlike the eastern variety. Most significantly it produces no knees, ever, even if it is growing in water there are no knees.