Cephalanthus occidentalis
Common name: 
Buttonbush
Honey Bells
Button Willow
Globe Flower
Pronunciation: 
sef-a-LAN-thus ok-si-den-TA-lis
Family: 
Rubiaceae
Genus: 
Type: 
Broadleaf
Native to (or naturalized in) Oregon: 
No
  • Deciduous shrub (evergreen in warm areas), broad, open, usually with several trunks, to 3-6 ft (0.9-1.8 m) tall, twice that in the southern part of its range.  Leaves simple, opposite or in whorls of 3, narrowly ovate to ovate-oblong, 9-11 cm long, 3-4.5 cm wide, margin entire, often short-ciliate, tip pointed, base rounded, upper surface glossy dark green, paler below; petiole 0.5-1 cm long; leaves emerge late in spring.  Flowers in 3-cm globular, white clusters, fragrant, each flower small, about 4 mm wide; attract butterflies.  Fruit in globose heads, about 3 cm wide, yellowish to red.
  • Sun to light shade, best in moist situations; will not grow well in dry sites.  Useful for naturalizing in wet areas.
  • Hardy to USDA Zone 4  (southern forms less hardy)    Very large native range, it extends from southern Nova Scotia, New Brunswick, Quebec, and Ontario south through southern Florida and west through the eastern half of the Great Plains States.  Scattered populations exist in New Mexico, Arizona, and the central valley of California.
  • occidentalis: western
Click image to enlarge
  • plant habit, eary summer

    plant habit, eary summer

  • emerging flower clusters (May, June)

    emerging flower clusters (May, June)

  • leaves and flower clusters

    leaves and flowers clusters

  • flower clusters

    flower clusters

  • flower cluster

    flower cluster

  • leaves

    leaves

  • leaves

    leaves

  • plant habit, fruiting

    plant habit, fruiting

  • fruit

    fruit

  • plant habit, winter

    plant habit, winter

  • fruit, winter

    fruit, winter

  • winter twigs, buds

    winter twigs, buds