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Prickly Ash

Zanthoxylum americanum

An invasive shrub. Flowers are small and greenish. Bright red seed shells split and release shiny black seeds. Leaves have seven to eleven leaflets turning bright yellow in fall. Young stems often red turning gray later. Sharp barbs are in pairs on gray wood. Usually forms dense thickets.

  • Colour: green
  • Habitat: hedgerows, meadows
  • Flower Size: small
  • Flower Time: Apr-May
  • Seed Matures: Aug
  • Seed Colour: black, red
  • Height: 1 - 2 m
  • Image Location: Massassauga Point
  • Flower Form:
  • Availability: common

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