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Tribulus hystrix

yellow flower of tribulus hystrix sand hill puncture vine in wildflowers in outback australia

Tribulus hystrix IMG 6174 - This beautiful flower is produced by a tough little plant that thrives in sand dunes in arid outback regions of Australia. It's easy to spot the dazzling flowers, but the spiny seeds that give the plant its common name of 'sand hill puncture vine' are not so conspicuous, and for those without thick soles on their boots, a scream of pain is the first indication that a seed has been discovered.

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