buttonbush

Etymology

From button + bush.

noun

  1. Any of the genus Cephalanthus of flowering plants in the madder family.
  2. Any of the genus Cephalanthus of flowering plants in the madder family.; Common buttonbush (Cephalanthus occidentalis)“The buttonbush shrub, which has little white flowers, feeds 18 species of butterflies and moths; and blueberry bushes, which support 288 species of moths and butterflies, thrive in big pots on a terrace.”
  3. Any of the genus Conocarpus of two species of tropical flowering plants; a mangrove.