Sub-category: Coffee family
A deciduous shrub or small tree that averages 1 to 3 m in height, but can reach 6 m. The leaves are opposite or in whorls of three, elliptic to ovate, 7 to 18 cm long and 4 to 10 cm broad, with a smooth edge and a short petiole. The flowers are arranged in a dense spherical inflorescence 2 to 3.5 cm in diameter on a short peduncle. Each flower has a fused white to pale yellow four-lobed corolla forming a long slender tube connecting to the sepals. The stigma protrudes slightly from the corolla. The fruit is a spherical cluster of achenes (nutlets).
Buttonbush is a common shrub of many wetland habitats in its range, including swamps, floodplains, mangrove, pocosin, riparian zones, and moist forest understory.