BUTTERWORT
butterwort
(noun) any of numerous carnivorous bog plants of the genus Pinguicula having showy purple or yellow or white flowers and a rosette of basal leaves coated with a sticky secretion to trap small insects
Source: WordNet® 3.1
Etymology
Noun
butterwort (plural butterworts)
Any plant of the insectivorous genus Pinguicula.
Source: Wiktionary
But"ter*wort`, n. (Bot.)
Definition: A genus of low herbs (Pinguicula) having simple leaves which
secrete from their glandular upper surface a viscid fluid, to which
insects adhere, after which the margin infolds and the insects are
digested by the plant. The species are found mostly in the North
Temperate zone.
Source: Webster’s Unabridged Dictionary 1913 Edition