Front on view of a Blunt Greenhood Orchid, Pterostylis curta. Grampians, Victoria Australia. There are a number of different Greenhood Orchids found in the Grampians area, the Blunt Greenhood is one of the less common. Grows to a height of 20cm but most are shorter than that. Flowers between September and October, and has a disitinctive twist in the light brown Laballum or tongue.