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A deciduous North American shrub (Cephalanthus occidentalis) having opposite leaves and spherical clusters of small white flowers.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a N American shrub of the genus Cephalanthus
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈbʌt nˌbʊʃ)

a North American shrub, Cephalanthus occidentalis with globular flower heads.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
STAPELEY : A lawful development certificate for a proposed single-storey rear extension is being sought by Mr K Shore at 10 Buttonbush Drive.
montana)]', Forested swamp--forest with mostly closed canopy but overlaying broad areas of shrubby or herbaceous wetlands; Shrub-dominated swamp--open wetlands lacking a closed canopy and dominated by dense winterberry (Ilex verticillata), spicebush (Lindera benzoin), or buttonbush (Cephalanthus occidentalis); and Old field--open habitats dominated by grasses and forbs but invaded, to varying degrees, by woody shrubs.
For most of the year, Blanding's generally spend their time in the pools and channels found in wetlands dominated by shrubs, such as willow and buttonbush. Here they look for minnows, snails, crayfish and insect prey, and seek out each other during the spring mating season.
Cephalanthus occidentalis, commonly called buttonbush, cannot compete with hydrangeas when it comes to blooms or ninebarks when competing for colorful foliage, but if a gardener has a spot in their landscape with wet soil in full sun or part shade, it is sight for sore eyes (and a rescue for green thumbs).
Red maple punctuates the understory, joined by the likes of buttonbush and highbrush blueberry.
Occasional native food plants include sourwood (Oxydendrum arboreum (L.) DC.; Ericaceae), common buttonbush (Cephalanthus occidentalis L.; Rubiaceae), sassafras (Sassafras albidum (Nutt.) Nees; Lauraceae), wax myrtle (Morella cerifera (L.) Small; Myricaceae), ash (Fraxinus spp.; Oleaceae), blackgum (Nyssa sylvatica Marshall; Cornaceae), oak (Quercus spp.; Fagaceae), American sycamore (Platanus occidentalis L.; Platanaceae), and willow (Salix spp.; Salicaceae) (Worth et al.
The plant species included bulrush (Scirpus californicus), softrush (Juncus effusus), water hyacinth (Eichhornia crassipes), duckweed (Lemna minor), pickerelweed (Pontederia), duckpotato (Sagittaria lancifolia), native canna (Canna spp.), buttonbush (Cephalanthus occidentalis), cutgrass (Leersia oryzoides), and native lotus (Nelumbo lutea).
The study area encompasses the juncture of a west-facing, rocky-soiled, forested hillside characterized by a canopy of oaks (Quercus spp.), hickories (Carya spp.), sweetgum (Liquidambar styraciflua), and tulip poplar (Liriodendron tulipifera), and a shallow-water, treeless wetland dominated by buttonbush (Cephalanthus occidentalis) and spadderdock (Nuphar advena).
The following year (2012) we heard singing males in typical breeding choruses in the open buttonbush zones and vegetation at the margin of the open-canopied cypress swamp at this site.
The site below tidal influence yielded six unique species, Quercus virgginiana (live oak), Melia azedarach (chinaberry), Prosopis glandulosa (honey mesquite), Acacia farnesiana (huisache), Acacia rigidula (blackbrush), and Cephalanthus occidentalis (buttonbush).
Another neglected native shrub is Buttonbush, Cephalanthus occidentalis.
Coracohumeral radiophotoluminescence pumper recruiting floorplan buttonbush neoformation.