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Bladdernut
Staphylea bumalda
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A deciduous shrub growing at mountain forest edges and along ravines. In spring, white florets bloom in drooping raceme-like clusters. The fruit is a bladder-like inflated capsule containing hard seeds. Named for its trifoliate leaves.
Identification Points
- โTrifoliate compound leaves in opposite arrangement
- โWhite florets in drooping racemes in spring
- โFruit an inflated bladder-like capsule with 2โ3 chambers
Habitat
Mountain forest edges and along ravines
Season
MayโJune (flowers)
Morphological TraitsAI-estimated, needs verification
Growth form
Shrub
Evergreen/Deciduous
Deciduous
Leaf arrangement
Opposite
Leaf type
Compound
Habitat
Mountain
Venation
Pinnate
Petal count
Many
Petal fusion
Fused
Stipules
Present
Flower symmetry
Actinomorphic
Stamen count
5
Phylogenetic Positionใใใใฆใใฎ็ง โ
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Crossosomatales > Staphyleaceae
Divergence Era
Paleogene (ca. 60 million years ago)
Evolution Notes
Staphyleaceae belongs to Crossosomatales; the inflated bladder-like capsule is considered an adaptation for wind dispersal.
View on evolution timeline โSources & References
AI-generated, needs verification