Pterostylis R.Br.
Dorsal sepal and lateral petals fused to form a hood (Fig. 44) Pterostylis
Basal leaves in a cluster or rosette usually separated from the flowering stem, sometimes attached to its base by a short scape, but very rarely encircling it and often present at flowering time. Cauline leaves alternate, reduced to scales near the base, usually well developed above but occasionally bract-like
Flowers solitary or rarely 2