Ipomoea costata, commonly known as rock morning glory, is an Australian native plant.

[5] 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.

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

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