It has a single tubular leaf and up to fifty greenish flowers with a pink or white labellum.

Prasophyllum pyriforme is a terrestrial, perennial, deciduous, herb with an underground tuber and a single smooth dark green, tube-shaped leaf 100–250 mm (4–10 in) long and 3–6 mm (0.1–0.2 in) in diameter near its reddish base.

The labellum is 6–8 mm (0.2–0.3 in) long, curves upwards to almost touch the lateral sepals and is pink or white with wavy edges.

[2][3][4] Prasophyllum pyriforme was first formally described in 1933 by Edith Coleman and the description was published in The Victorian Naturalist from a specimen collected near Doncaster.

[6]: 28 The graceful leek orchid grows in woodland and open forest and flowers more prolifically after fire.