Nettle
NETTLE, noun A plant of the genus Urtica, whose prickles fret the skin and occasion very painful sensations.
And near the noisome nettle blooms the rose.
NETTLE, verb transitive To fret or sting; to irritate or vex; to excite sensations of displeasure or uneasiness, not amounting to wrath or violent anger.
The princes were nettled at the scandal of this affront.