Lotus australis (Australia) ?

Lotus australis Andrews ?;
.

Nansei-shoto to Taiwan (Lan Yü), Papuasia to Australia as per POWO;

For me ID suggested by … is correct.
https://alchetron.com/Lotus-australis.
Nevertheless, foliage, fruit and habit pictures are essential to confirm.

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References: POWO  Catalogue of Life
https://grasslands.ecolinc.vic.edu.au/fieldguide/flora/austral-trefoil#details
keys.lucidcentral
alchetron
https://diversitynativeseeds.com.au/species/lotus-australis-australian-trefoil/