Tree Weeds

Willow

Salix cinerea, Salix nigra & other Salix spp.

Introduced to Australia to help stabilise creek banks and roadsides, willows are now actively displacing native riparian vegetation, altering creek flows and destroying habitat. Potential invaders of wetlands.
  • Family Salicaceae
  • Origin Eurasia, North Africa, North America
  • Habit Rapidly growing deciduous trees 10 to 20 m some with single trunks, others multi-stemmed, end branches shiny and reddish, very pliable.
  • Leaves Can be droopy or not, shiny green on both sides, narrow and serrated.
  • Flowers Spikes (‘catkins’) appear in spring. Plants male or female.
  • Fruit Tiny seeds
  • Roots Extensive lateral root system. Can re-shoot from broken bits.
  • Dispersal Wind dispersed seed. Sometimes branches on ground sucker.
  • Control Stem injection of each aerial trunk with small seedlings up to 1 metre able to be hand pulled

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