- helmetflower, helmet orchid - any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process
--1 is a kind of orchid, orchidaceous plant
--1 is a member of Coryanthes, genus Coryanthes - monkshood, helmetflower, helmet flower, Aconitum napellus - a poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite
--2 is a kind of aconite