#genus_Pterostylis__Pterostylis  genus of terrestrial orchids of Australia and New Zealand and western Pacific
  supertype:  monocot_genus__monocotgenu__liliopsid_genus  genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
  member of:  family_Orchidaceae
  member:  helmet_orchid__greenhood  any of numerous orchids of the genus Pterostylis having leaves in a basal rosette and green flowers often striped purple or brown or red with the dorsal sepal incurved to form a hood

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