The native Australian tree is believed to have medicinal properties that have been used by Aborigines for centuries, and when the topic was raised on the wireless recently, our callers were eager to tell us more.
Chris Shepherd, from the Gemfields was suffering from gas poisoning when he used the leaves from the Gumbi Gumbi bush to make a tea.
He claimed to feel a difference within days and has since offered it to thousands who suffer from various forms of cancer.