TersoniaTersonia is a genus of flowering plants in the family Gyrostemonaceae.It is endemic to Western Australia.Known speciesTersonia cyathiflora, also known as button creeper.Tersonia brevipes, published in 1849,They all have a syncarps.TaxonomyThe genus name of Tersonia is in honour of Joséphine Louise Moquin-Tandon, born de Terson, wife of the French botanist Alfred Moquin-Tandon, the author of this genus. It was first described and published in Prodr. Vol.13 on page 40 in 1849.