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1. A herbaceous plant of the genus Scutellaria which has a calyx that, when inverted, resembles a helmet with its visor raised
   - skullcap
    
2. Any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process
   - helmet orchid
    
3. A poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite
   - monkshood, helmet flower, Aconitum napellus

Derived forms: helmet flowers, helmetflowers

Type of: aconite, herb, herbaceous plant, orchid, orchidaceous plant

Part of: Coryanthes, genus Coryanthes

Encyclopedia: Helmetflower