Its acorn is large (about an inch long) and is nearly enclosed by its cup or receptacle--hence the name "overcup." Shade tree. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Falling/fallen acorns can be an issue. , Wildlife, Acorns appreciated by squirrels, deer, turkey, and other wildlife Used by birds for resting and nesting Said (by the Lady Bird Johnson Wildlflower Cen , Habitat, Bottomland floodplains and inundated river levees, lake swamps, rarely on non-wetland portions of floodplains. , Did You Know?, Host plant for the White-M Hairstreak and Horace's Duskywing butterflies.

The range of this species is primarily the coastal plain from Texas to North Carolina. A second subspecies (subsp. greenmanii) occurs in the Florida P , Tolerance, Not salt tolerant of inundation by salty or brackish water. Unknown , Considertions, All parts of this plant are poisonous if ingested.  Bruised leaves may produce a rash on bare skin , Habitat, Marshes, wet flatwoods, wet prairies, seepage slopes, edges of cypress wetlands, ditches , Did You Know?, Showy flowers Host plant for black swallowtail. Attracts generalist pollinators.

Use as a tall groundcover or small shrub. , Tolerance, Tolerant of occasional/brief inundation such as can occur in storm surges. Moderate. Tolerant of salty wind and may get some salt spray. Exposure t , Considertions, Can become somewhat weedy. , Habitat, Hammocks, disturbed sites , Did You Know?, Showy flowers Nectar plant for Bahamian swallowtail (Heraclides andraemon), cassius blue (Leptotes cassius), Florida white (Appias drusilla), gray ha

Specimen plant. Can form large patches if allowed to do so. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Poisonous if ingested. , Wildlife, Attracts hummingbirds. , Habitat, Slope forest, upland mixed forest, upland hardwood forest, bottomland forest. Rare. , Did You Know?, Showy flowers Attracts pollinators, especially bees.

Specimen tree. Use only where roots will be undisturbed. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Nuts and leaf litter can be messy. , Wildlife, Fruits eaten by small mammals. , Habitat, Sandhill, clayhill, scrub , Did You Know?, Fall color, Hurricane wind resistance Larval host for many moths including; luna moth (Actias luna), hickory leafroller moth (Argyrotaenia juglandana