Thelymitra purpurata - This deciduous terrestrial orchid grows in heathland and open forest. Thelymitra flowers will only open on fine hot days and remain closed on cloudy or cool days and at night. Leaf is grass-like to 25cm, with flower stem to 60cm with 1- 10 flowers 25mm across. The flower is blue with a white to bluish column topped with yellow papillae (fingers) with arms tipped with white tufts of dense hairs. Thelmitra pauciflora can be identified by the column shape.