Ipomoea_costata

<i>Ipomoea costata</i>

Ipomoea costata

Species of plant

Ipomoea costata, commonly known as rock morning glory, is an Australian native plant.[2] It is found in northern Australia, from Western Australia, through the Northern Territory, to Queensland.[3] Its tubers provide a form of bush tucker to some Aboriginal peoples, known as bush potato,[4] or (to the Ngururrpa groups in WA), karnti.[5]

Quick Facts Ipomoea costata, Scientific classification ...

Description

It is a prostrate or climbing perennial growing up to 3 m high, with purple-blue-pink flowers from February to November.[2] Juvenile form is a vine, maturing into a woody-stemmed shrub with vine-like stems. Leaves are broad and leathery, 4-9 cm long.[4] Tubers are rounded, 12-20 cm long by 5-18 cm wide, with a single plant potentially having up to twenty tubers.[6]

Habitat

It occurs on sandy or rocky soils, often over limestone,[2] and on spinifex sand plains in northern Australia.[4]

Uses

It is the source of bush potato, a bush tucker food for Aboriginal people.[4] Bush potatoes are cooked on the warm earth under coals, and are peeled when cooked.[6]

Aboriginal names

In Central Australia, I. costata is also known to Aboriginal people by the following names:[7]

References

  1. [1]
    "Ipomoea costata". Australian Plant Census. Retrieved 16 February 2021.
  2. [2]
    Grazyna Paczkowska (8 November 1996). "Ipomoea costata Benth. Rock Morning Glory". FloraBase. Western Australian Herbarium. Retrieved 16 February 2021.
  3. [3]
    "Occurrence records". The Australasian Virtual Herbarium (AVH). Atlas of Living Australia. Retrieved 16 February 2021.
  4. [4]
    Low, Tim (1991). Wild Food Plants of Australia. Angus & Robertson. p. 163. ISBN 0207169306.
  5. [5]
    "New Ngururrpa Indigenous Protected Area". Country Needs People. 1 August 2018. Retrieved 14 May 2021.
  6. [6]
    Isaacs, Jennifer (1991). Bush Food: Aboriginal food and herbal medicine. Ure Smith Press. p. 94. ISBN 0725408340.
  7. [7]
    Vincent, Ange (July 2009). "Australian Bush Foods Information Sheet 6: Bush Potato Ipomoea costata & I polpha" (PDF). Desert Knowledge CRC. Retrieved 18 March 2020.


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