Willow Oak

http://en.wikipedia.org/wiki/Willow_oak

Otherwise known as Quercus phellos, is a big tree that transplants easily, grows easily and takes 'bad' soils. If one remembers about trees from my earlier posts, I seemed to lean toward the idea that fast-growing large trees like to toss limbs after a while. This one will toss a few, but not as badly as some similarly-growing trees. 

They have a full crown and generally grow to be pretty symmetrical. They grow down south pretty readily; up north, the similar option to cultivate is the pin oak. I've heard good things about both; people seem pretty bias toward one or the other for various reasons, but it's too hot down here for a pin oak.

The willow oak is pretty common here on Clemson campus, and have a nice fall color - usually. From what I've seen, the tree can be green, red or yellowy, which isn't half bad. It's commonly planted because of the good qualities I've mentioned, but it also gets bigger than some planners expect. It ends up putting roots through sidewalks and things because of that.

http://www.duke.edu/~cwcook/trees/quph50728.jpg

See the leaves? They cluster at the end (terminal bud). That's an oak trait. Maples, if you remember, like to go in pairs and don't really cluster like this at the end of the limb. Oaks tend to alternate and have two general differences: red oaks tend to have pointy little leaves like this picture up here. White oaks have rounded-tipped leaves. The two cannot interbreed, and so knowing how their leaves are (pointed or dull and rounded) is really helpful in identifying it.

forestfarm.com/images/products/3833/quph100v3.jpg

Notably, it's called a willow oak for a reason: it has leaves that are similar to a weeping willow (such as the Babylon Weeping Willow, Salix babylonica) but, apart from that, they aren't incredibly similar. Weeping willow, well, weeps, for one. If that doesn't tip you off, then I've got bad news for you.

gardens.missouri.edu/about/descriptions/treetrails/TTmaps/LowryMallPhotos/lowryweb/Quercus-phellos-fall-lg.jpg

forestry.sfasu.edu/faculty/jstovall/dendro//
images/tree_photos/querphel/querphel_fruit1.jpg

cas.vanderbilt.edu/
bioimages/biohires/q/hquph--fr15633.jpg

 This is a large tree.
 It has tiny acorns.
 Tiny, cute little acorns.

The bark is slightly furrowed and a medium-dark brown-grey sort of tone; I think I'd be careful not to mistake this with pine, myself, but I may be weird (no one opposes this).

http://www.discoverlife.org/IM/I_SB/0111/320/Quercus_phellos,_bark_-_of_a_large_tree,I_SB11159.jpg