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Definition of Helmet orchid
1. Noun. 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.
Exact synonyms: Greenhood
Generic synonyms: Orchid, Orchidaceous Plant
Group relationships: Genus Pterostylis, Pterostylis
Generic synonyms: Orchid, Orchidaceous Plant
Group relationships: Genus Pterostylis, Pterostylis
2. Noun. Any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process.
Exact synonyms: Helmetflower
Generic synonyms: Orchid, Orchidaceous Plant
Group relationships: Coryanthes, Genus Coryanthes
Generic synonyms: Orchid, Orchidaceous Plant
Group relationships: Coryanthes, Genus Coryanthes