Thelymitra arenaria
| Forest sun orchid | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Diurideae |
| Genus: | Thelymitra |
| Species: | T. arenaria |
| Binomial name | |
| Thelymitra arenaria | |
Thelymitra arenaria, commonly called the forest sun orchid, is a species of orchid that is endemic to south-eastern Australia. It has a single long, narrow leaf and up to sixteen purplish self-pollinating flowers which only open on hot days.