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Poison Wood

Scientific Name
Metopium toxiferum
Family 
Anacardiaceae
Status
Native

Botanical Description

Metopium toxiferum, commonly known as Poisonwood, is a medium-sized evergreen tree typically growing 20-50 feet (6-15 m) tall.

Growth Form
  • Upright trunk
  • Rounded to irregular crown
  • Often forms part of the upper canopy
  • Moderate growth rate
Bark
  • Gray to reddish-brown
  • Often mottled
  • Peels in thin patches
  • May exude a dark sap when damaged
  • The bark is reddish peeling patches are a key identifying feature.
Leaves
  • Compound (oddly pinnate)
  • 5-7 glossy leaflets
  • Oval to elliptic
  • Thick and leathery
  • Bright to dark green
  • Leaves are sturdy and adapted to dry limestone soils.
Flowers
  • Small and greenish- white
  • Produced in clusters
  • Inconspicuous
  • Bloom seasonally
Fruit
  • Small, round drupe
  • Ripens from green to orange-red
  • About 1 inch wide

Habitat

Metopium toxiferum grows in Dry Broadleaf Evergreen Formations: Forests/Shrublands/Woodlands/Dwarf Shrublands (coppice): primarily in shrublands as well as in Pine Woodlands. In Pine Woodlands Metopium toxiferum can be the dominant understory shrub.

Distribution 

Metopium toxiferum occurs on all islands in the Lucayan archipelago as well as Florida and the Greater Antilles.

Ecological Importance

  • Fruits provide food for birds 

  • Contributes to forest canopy structure 

  • Stabilizes shallow limestone soils 

  • Supports native biodiversity 

  • Though irritating to humans, it plays a vital ecological role.

Cultural Notes

  • Well known locally by children are often warned early about it 

  • Traditionally recognized and avoided in bush 

  • Wood historically used carefully for certain purposes 

  • Poisonwood demands respect. 

  • It is part of the natural forest and not a plant to remove casually.

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