Ipomoea costata
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Ipomoea costata, commonly known as rock morning glory, is an Australian native plant.[1] It is found in northern Australia, from Western Australia, through the Northern Territory, to Queensland.[2] Its tubers provide a form of bush tucker to some Aboriginal peoples, known as bush potato,[3] or (to the Ngururrpa groups in WA), karnti.[4]
Description
It is a prostrate or climbing perennial growing up to 3 m high, with purple-blue-pink flowers from February to November.[1] Juvenile form is a vine, maturing into a woody-stemmed shrub with vine-like stems. Leaves are broad and leathery, 4-9 cm long.[3] Tubers are rounded, 12-20 cm long by 5-18 cm wide, with a single plant potentially having up to twenty tubers.[5]
Habitat
It occurs on sandy or rocky soils, often over limestone,[1] and on spinifex sand plains in northern Australia.[3]
Uses
It is the source of bush potato, a bush tucker food for Aboriginal people.[3] Bush potatoes are cooked on the warm earth under coals, and are peeled when cooked.[5]
Aboriginal names
In Central Australia, I. costata is also known to Aboriginal people by the following names:[6]
- Alyawarr: anaty
- Anmatyerr: anaty or anek
- Eastern Arrernte: anatye
- Western Arrernte: natye
- Pintupi: ala or yala
- Warlpiri: karnti or paparda
References
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External links
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