Trees of Wisconsin
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Staphylea trifolia L. American bladdernut Family: Staphyleaceae |
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| Staphylea
trifolia is a large shrub or small tree with opposite, trifoliate
leaves (compound leaves with 3 leaflets). The small, white flowers mature
to produce a highly distinctive inflated, papery capsule containing several
large seeds which, at maturity, can be
induced to "rattle" by shaking the fruit. Capsules are relatively
large, with length mostly in the 1-2 inch range.
Staphylea trifolia is near its northwestern range limit in Wisconsin and most records are from the southwestern part of the state. There are several records from Brown County, one from Oconto County and a few along the Mississippi river north to Burnett County. It is not common |
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