Post Oak/Quercus stellata
Chestnut Oak
Quercus prinus L.
Bark dark reddish brown to nearly black, deeply furrowed with narrow ridges. Branches stout, spreading to ascending. Twigs stout, angulate, smooth, purplish-green when new, turning orange or reddish-brown. Buds ovate-conical, somewhat angulate, 8 to 12 mm long, silky hairy. Leaves alternate, deciduous, simple; elliptic to obovate, 10 to 30 cm long, 3 to 8 cm wide; somewhat leathery, margin crenate with a vein ending in each rounded tooth, smooth green above, stellate-pubescent below. Flowers unisexual; staminate in catkins 5 to 10 cm long; pistillate in short spikes on stout peduncles. Fruit an acorn 25 to 35 mm long, 15 to 25 mm in diameter; cup vase-shaped, thin, rough with thickened scales, covering one-third to one-half of the nut.
Chestnut Oak/Quercus prinus
Winged Elm
Ulmus alata Michx.
Bark dark, smooth at first becoming deeply furrowed on larger trees. Branches slender, ascending to spreading, corky ridges or wings on branches 3 years or older. Twigs about 2 mm in diameter, light green tinged with red. Buds sharp-pointed, divergent from twig 3 to 4 mm long. Leaves alternate, deciduous, simple; broadly ovate to elliptic, 4 to 8 cm long, 2 to 4 cm wide; apex acute to short-acuminate, margin doubly to triply serrate, base rounded; dull green above, lighter green below with prominent pinnate veins. Flowers perfect, abundant, tiny, opening just before leaves unfold, several in a cluster at a leaf scar, blooming late January into February. Fruit a samara, flat and elliptic, 6 to 8 mm long, margin ciliate.