Prasophyllum R.Br.

Free part of leaf terete. Labellum not articulate on a claw Prasophyllum
Lateral sepals free
Labellum variously bent but not reflexed back on itself. Perianth predominantly green or brown but white and green in P. patens
Labellum margins undulate, crenate or pleated
Callus slightly raised, not extending past the bend. Labellum pale or white. Flowers 8–11 mm long. Dorsal sepal 5–6 mm long. Plant up to 30 cm high. Widespread. Fl. Sept.–Dec. Prasophyllum patens
Callus distinctly raised, extending beyond the bend to tip of labellum