Quercus palustris
(Pin oak) is in the Fagaceae family, and is native to the northeastern United
States west to Missouri.
The tree is deciduous, and key diagnostics include leaves that are alternate, simple, 4-10” by 2-6”, dark glossy green, obovate, 5-7 lobed with wide, rounded sinuses, pointed tips, pale, glabrous undersides with brownish tufted hairs at vein axils, and fall color (in Dublin, the leaves turn dry and brown, and persist all winter unless blown off in a strong wind). Flowers are insignificant yellow green tassel-like flowers in the spring, before leaves emerge. Acorns are reddish brown, ½” long, oval, with a thin shallow cup with tightly appressed, free-tipped scales covering ¼ - ⅓ of the nut. Bark is smooth, grayish brown, then gaining with shallowly furrowed, narrow flat vertical ridges.
The tree is deciduous, and key diagnostics include leaves that are alternate, simple, 4-10” by 2-6”, dark glossy green, obovate, 5-7 lobed with wide, rounded sinuses, pointed tips, pale, glabrous undersides with brownish tufted hairs at vein axils, and fall color (in Dublin, the leaves turn dry and brown, and persist all winter unless blown off in a strong wind). Flowers are insignificant yellow green tassel-like flowers in the spring, before leaves emerge. Acorns are reddish brown, ½” long, oval, with a thin shallow cup with tightly appressed, free-tipped scales covering ¼ - ⅓ of the nut. Bark is smooth, grayish brown, then gaining with shallowly furrowed, narrow flat vertical ridges.
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| Quercus palustris - leaf shape and habit. |
The tree is relatively pest free, and does well with
moderate moisture and good drainage.
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