Portulaca intraterranea
Encyclopedia
Portulaca intraterranea, large pigweed, is a succulent herb native to deserts of central Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

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The leaves are succulent, with flowers 2.5-3.5 cm wide. Aborigines
Australian Aborigines
Australian Aborigines , also called Aboriginal Australians, from the latin ab originem , are people who are indigenous to most of the Australian continentthat is, to mainland Australia and the island of Tasmania...

eat the thick tap-root which tastes like potato.
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