Most of these botanical key features we may view in your fine close-up photographs : – thank you for making them for the aesthetic wonder incl. beauty, and so that we straightforwardly take a short time checking the botanical key : – quotation: " Lateral lobes of column ... without hair-tufts Lateral lobes of column extended into distinct appendages Lateral lobes of column fleshy, suberect; anther beak obtuse Mid-lobe of column prominent; lateral lobes of column less than 3 mm long, protruding forwards Lateral lobes of column quadrangular, not much longer than wide, flattish, with fingerlike papillae outside; anther-point lower than mid-lobe; sepals apiculate " .
References (in brief, without full citation):
Flora of Vic. online VicFlora: • *Thelymitra* (genus page) key to species across Vic.: → https://vicflora.rbg.vic.gov.au/flora/key/2146 • *Thelymitra rubra* → https://vicflora.rbg.vic.gov.au/flora/taxon/790926e5-8ec2-4990-af63-076948d11bc9 .