helmet orchid

Noun helmet orchid has 2 senses

• helmet orchid(n = noun.plant) 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;
is a kind of orchid, orchidaceous plant
is a member of genus pterostylis, pterostylis

• helmet orchid(n = noun.plant) helmetflower - any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process;
is a kind of orchid, orchidaceous plant
is a member of coryanthes, genus coryanthes