Staphylea trifolia

Staphylea trifolia, the American bladdernut,[1] is native to eastern North America, from southern Ontario and southwestern Quebec west to Nebraska and Arkansas, and south to Florida. It is sometimes used as an ornamental plant.

Staphylea trifolia
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Crossosomatales
Family: Staphyleaceae
Genus: Staphylea
S. trifolia
Binomial name
Staphylea trifolia

It is a medium-sized shrub growing to 11 m (36 ft) tall.[2] Its growth rate is medium to fast. The leaves are opposite and divided into three leaflets, each leaflet 4.5–13 cm (2–5 in) long[3] and 5 cm (2 in) broad, with a serrated margin.[2] The leaves are bright green in the spring, turning dark green in the summer. S. trifolia produces pendant white flowers in spring, which mature into bladder-like, teardrop-shaped fruits that contain several large black seeds.[2] Some sources consider these "nuts" to be edible.


  1. "Staphylea trifolia". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 1 December 2015.
  2. Tenaglia, Dan. "Staphylea trifolia page". Missouri Plants. Missouri Botanical Garden.
  3. Brouillet, Luc (2014). "Staphylea trifolia". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 9. New York and Oxford via, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
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