Cephalanthus occidentalis

A branched shrub with spherical flower heads and opposite or whorled leaves growing in wet sites. The twigs are raised elongated lenticels. There is a brown triangular membrane present between petioles.

An important cover for wildlife. The leaves are reported to be poisonous to animals (Holmes 1990). Its fragrant balls of flowers are often covered with butterflies and other insects. Ajilvsgi (1990) reports that it is especially attractive to Hairstreaks, Skippers, and Swallowtails. Animals that eat its seeds: Florida duck, Gadwall duck, Common mallard duck, Ring-necked duck, Blue-winged teal duck, Green-winged teal duck, Wood duck, Marshbirds and Shorebirds. Animals that eat its twigs and foliage: Antelope, White-tailed deer. Animals that eat its wood: Beaver (Martin et al. 1951).

The Acadian French name for button-bush is "bois de marais", or "swamp weed", referring to the aquatic habit of this species. The plant has astringent qualities and has been used to treat sore eyes, toothaches, and fevers. The roots were used to make a tea to treat diabetes (Holmes 1990).

Low areas, margins of creeks, lakes, and marshes; swamps; prairie marshes; woods.