Overcup Oak (Quercus lyrata)

[ Trees > Hardwoods > Oaks . . . ]      Forest Type: Southern Hardwood Swamp


Growing in bottomlands or swamps in southeastern North America; leaves lobed, without bristle tips; acorns large, covered almost completely by a cup that is scaly, but not hairy or shaggy.

by Michael Kuo

Habitat: In moist soil in bottomlands and swamps; southeastern in distribution.

Stature: 40-60 feet high; to 3 feet in diameter; with crooked branches; with a rounded, open crown.

Leaves: 6-10 inches long; with 5-9 lobes; indentations irregular, wide, both shallow and deep; dark green above; paler green below.

Bark: Grayish; composed of loose plates.

Acorns: Sweet; to 1 inch long; nearly round; enclosed nearly completely in a tightly scaly cup that is not fringed, prominently hairy, or shaggy (compare with bur oak acorns).

(References consulted)

Frequent Mushroom Associates:

Amanita species; Boletus curtisii; Pluteus mammillatus; Russula species; Tylopilus ballouii; and many others.


Quercus lyrata

Quercus lyrata

Quercus lyrata

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Kuo, M. (2005, August). Overcup oak (Quercus lyrata). Retrieved from the MushroomExpert.Com Web site: