Bladdernut

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Bladdernut

Staphylea bumalda

ใƒŸใƒ„ใƒใ‚ฆใƒ„ใ‚ฎ

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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

  • โœ“Trifoliate compound leaves in opposite arrangement
  • โœ“White florets in drooping racemes in spring
  • โœ“Fruit an inflated bladder-like capsule with 2โ€“3 chambers

Habitat

Mountain forest edges and along ravines

Season

Mayโ€“June (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 PositionใƒŸใƒ„ใƒใ‚ฆใƒ„ใ‚ฎ็ง‘ 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 โ†’
View ใƒŸใƒ„ใƒใ‚ฆใƒ„ใ‚ฎ็ง‘ page๐ŸŒฟ View in taxonomy
๐Ÿ“šๆจนๆœจๅ›ณ้‘‘๏ผˆใƒŠใƒ„ใƒก็คพ๏ผ‰

Sources & References

๐Ÿค–Claude AI็”Ÿๆˆ๏ผˆๆœช็ขบ่ช๏ผ‰

AI-generated, needs verification