Taxonomy
| Clade | angiosperm |
| Family | Rubiaceae |
| Genus | Cephalanthus |
| Species | occidentalis |
| Common Name | buttonbush |
| iTree Code | CEOC2 |
Plant Form
| Form | Shrub: often multi-stemmed |
| Height | 10 feet |
| Spread | 15 feet |
| Deciduous | Yes |
Identification Description
| Foliage | deciduous (evergreen in southern range), oval or narrowly oval coming to point |
Leaf Type
 |
Simple |
| Bark | gray/brown or green, smooth, becoming rough/shaggy with age |
| Bud | opposite or whorled; false terminal bud; conical |
Bud Arrangement
 |
Opposite |
| Twig | moderately stout, slightly hairy to smooth, gray/brown or green, obvious lenticels |
| Flower | globe of many obvious white flowers |
| Fruit | globe shaped mass of nutlets - often persisting through winter |
| Fall Color | green, brown |
Site Characteristics
USDA Zones
 |
pH Levels | Salt Tolerance |
| Min | |
Min | 4.6 |
Soil | Moderate |
| Max | |
Max | 8.6 |
Spray | Low |
| Shade Tolerance | Drought Tolerance | Allelopathy |
| Unknown |
Unknown |
Unknown |
Species Status
| Nebraska Native |
|
| U.S. Native |
|
| Region of Origin | United States, Canada |
| More Information | Visit External Site |