| Slaty leek orchid | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Diurideae |
| Subtribe: | Prasophyllinae |
| Genus: | Prasophyllum |
| Species: | P. rostratum
|
| Binomial name | |
| Prasophyllum rostratum | |
Prasophyllum rostratum, commonly known as the slaty leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular leaf and up to twenty five well-spaced, greenish-brown flowers. It is similar to P. pyriforme from mainland Australia but lacks that species' white to pinkish labellum.