Thelymitra peniculata - part of a difficult group of sun orchids. Important to note the number of flowers (including buds) and the number of sterile bracts on the flower stem. A shot of the leaf is also important - some are thick & ribbed, others thin, one species is often curved
Thank you - I did not realise how important all these features were, and will try to note in future sightings. I sincerely appreciate your sharing of your knowledge.