A herbaceous plant of the genus Scutellaria which has a calyx that, when inverted, resembles a helmet with its visor raised.

synonym: skullcap.

Any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process.

synonym: helmet orchid.

A poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite.

synonyms: Aconitum napellus, helmet flower, monkshood.

Dutch: monnikskap