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The Potato Vine (Ipomoea costata), also commonly called Rock Morning Glory, has a large trumpet-shaped flower, that is purple-pink in colour, and approximately 7-8 cm long. A prostrate or climbing plant, the vine has large, leathery, a darkish green leaves, which have prominent veins and are hairless.

Related to the sweet potato, this native plant is found growing across northern Australia, from Western Australia, the Northern Territory and Queensland. It is a bush tucker food, the tubers being gathered by some Aboriginal peoples.

Common name
Potato Vine, Rock Morning Glory, Cow Vine. Following are some of the Aboriginal names for the species:

  • Alyawarr: anaty
  • Anmatyerr: anaty or anek
  • Eastern Arrernte: anatye
  • Ngururrpa: karnti
  • Pintupi: ala or yala
  • Warlpiri: karnti or paparda
  • Western Arrernte: natye


  • Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Clade: Asterids
  • Order: Solanales
  • Family: Convolvulaceae
  • Genus: Ipomoea
  • Species: I. costata
  • Binomial name: Ipomoea costata