Plant

Oriental Bittersweet

Oriental Bittersweet is a deciduous, woody vine. It can be found growing in woodlands, forest edges, grasslands, roadsides, hedgerows - essentially anywhere except in wet areas. This species' generalist approach means that Oriental Bittersweet has an increased probability of finding suitable habitat to establish and invade.

Identification

Here are some key features that may help to positively identify Oriental Bittersweet:

  • Leaves are alternately arranged, roundish, with finely toothed edges
  • Flowers are greenish-yellow, with 5 petals, and grow in clusters along the stem in leaf axils (where the leaf meets the stem)
  • Female plants produce bright red fruit with orange bracts (outer leaves)
  • Vine can grow up to 18m on tall trees
  • Extremely shade tolerant
  • All parts of the plant are poisonous
Image gallery
Oriental Bittersweet branches
Oriental Bittersweet branches
Oriental Bittersweet immature fruit
Oriental Bittersweet immature fruit
Oriental Bittersweet mature fruit with orange bracts
Oriental Bittersweet mature fruit with orange bracts
A before/after shot of oriental bittersweet management
A before/after shot of oriental bittersweet management

Find an invasive species?

Oriental Bittersweet is a priority species. If you see it, please report it to us.

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Map

See where Oriental Bittersweet has been reported on Prince Edward Island

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Factsheet

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