Tall leek - orchid - Prasophyllum elatum

''Prasophyllum elatum'', commonly known as the tall leek orchid, snake orchid or piano orchid is a species of orchid in the family Orchidaceae which is endemic to Australia. It is one of the tallest orchids found in Western Australia as well as one of the most common and widespread. It often flowers in large numbers after a bushfire and has a relatively long flowering period.