Vines & Scramblers

Black Eyed Susan

Thunbergia alata

Colour variation of flowers is encountered with plants grown from seedlings, including yellow or white, often lacking the dark central blotch. Very fast and erratic twiner.
  • Family Acanthaceae
  • Origin Tropical Africa
  • Habit A delicate herbaceous and persistent twining or scrambling vine that will readily re-root from fragments and nodes.
  • Leaves Thin-textured, heart-shaped or triangular.
  • Flowers Bright orange to yellow some times white with a distinct black centre on a single stalk. Base of flower enclosed in pair of green sepals. Summer-Autumn.
  • Fruit The papery sepals remain to cover the beaked capsule containing few seeds.
  • Roots Tap and fibrous, will actively seek and block water/septic pipes.
  • Dispersal Vegetation and seed will spread by water, humans, contaminated soil (earthmoving equipment, car tyres etc) and garden refuse dumping.
  • Control Hand Dig, Foliar spray.

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