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.

According to Kew Gardens, it is from Central America and probably Cuba and Florida.   After going through the photos and labels for specimens in the S , Tolerance, Unknown Some tolerance to salty wind but not direct salt spray. , Considertions, Noted for being weedy. , Habitat, Disturbed. Old orange groves, pasture, roadsides. May occur naturally along the west FL coast including shell mounds and dunes . All records for in , Did You Know?, Showy flowers

Specimen plant, edge, understory shrub. Can be grown in a large container. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Old leaf bases form long stiff spines. , Wildlife, Provides good wildlife cover. , Habitat, Moist-wet sites. Seep slope forests, regularly but shallowly inundated floodplains, seepage swamps especially associated with springs, hydric seepage , Did You Know?, Interesting foliage, Thorns Attracts beetles.