Plantwatch: An extraordinary orchid that lives and flowers underground

Botanist trying to conserve highly vulnerable rhizanthella that survives by feeding on nutrients from a fungusRhizanthella is an extraordinary orchid that lives its entire life underground. It flowers below ground, has no leaves and survives by feeding on nutrients from a fungus that gets its food from the soil and by connecting with roots of the broom bush, Melaleuca uncinata.Rhizanthella was an international sensation when it was first discovered by a farmer ploughing a field in Western Australia in 1928. It still remains incredibly difficult to find, usually by searching areas with the right habitat and carefully scraping away soil searching for the blooms buried underneath - tiny reddish flowers wrapped in creamy-pink bracts. The blooms also have a heady scent of vanilla, and may be pollinated by termites or tiny flies. Continue reading...