We have photos of these taken in Cuumbeun Nature Reserve Thursday 12/10/2023. Quite widespread, never seen before. Hoped to find out what it is in naturemapr.
Possibly Comesperma retusum? p 82 Flowers of the ACT & region, Don and Betty Wood, Woods Books 2005. Also https://apps.lucidcentral.org/plants_se_nsw/text/entities/comesperma_retusum.htm.