Shrubs of Mount Holyokeby Karen Searcy
Staphylea trifolia (Bladdernut)
Flower coloryellow
Number of petals5
Petal statefree
Leaf persistencedeciduous
Leaf arrangementalternate
Leaf groupingtrifoliolate
Leaf marginserrate
Leaf/leaflet shapeovate
Fruit typedry
Fruit colorbrown
Flowering datesmid-May
Fruiting datesAugust
HabitatRich, moist woods
LocalityAlong the road to the Summit house and at Taylor Notch.
DescriptionShrub or small tree to about 10 feet tall. The leaves are trifoliate. The terminal leaflet has a longer stalk than the other two. It has a distinctive, inflated, bladder-like fruit.
CommentThis species is not common in the Mount Holyoke Range and tends to be found in widely scattered populations on basalt.
Habit photoKBS
Habit photo 2KBS
Flower photoKBS
Flower photo 2KBS
Fruit photoKBS
Leaf photoKBS