monkshood

[ muhngks-hoo d ]

/ ˈmʌŋksˌhʊd /

a plant belonging to the genus Aconitum, of the buttercup family, especially A. napellus, the flowers of which have a large, hood-shaped sepal.

Origin of monkshood

1570–80; monk + 's 1 + hood¹

Green hellebore and monkshood are also classed in the list of the ranker poisons.

The Naturalist on the Thames |C. J. Cornish
So the hollow spur-shaped petals of Columbine were called nectaries; also the curious long-clawed petals of Monkshood, 87, &c.

The Elements of Botany |Asa Gray
It wasn't till I noticed the monkshood plants that I started telling myself how that way wouldn't hurt.

The Trial of Callista Blake |Edgar Pangborn
Galea, a helmet-shaped body, as the upper sepal of the Monkshood, 87.

The Elements of Botany |Asa Gray

In that time I've seen him only once—at the picnic when I got the monkshood.

The Trial of Callista Blake |Edgar Pangborn

monkshood

/ (ˈmʌŋkshʊd) /

any of several poisonous N temperate plants of the ranunculaceous genus Aconitum, esp A. napellus, that have hooded blue-purple flowers