Thelymitra megacalyptra
| Plains sun orchid | |
|---|---|
| Thelymitra megacalyptra near Strathfieldsaye | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Diurideae |
| Genus: | Thelymitra |
| Species: | T. megacalyptra |
| Binomial name | |
| Thelymitra megacalyptra | |
| Synonyms | |
Thelymitra megacalyptra, known as Thelymitra megcalyptra in Australia, and commonly known as plains sun orchid, is a species of orchid that is endemic to eastern Australia. It has a single erect, fleshy leaf and up to fifteen blue to purplish, sometimes lilac, pink or white flowers with white tufts on top of the anther.