Sundew n. (Bot.) Any plant of the genus Drosera, low bog plants whose leaves are beset with pediceled glands which secrete a viscid fluid that glitters like dewdrops and attracts and detains insects. After an insect is caught, the glands curve inward like tentacles and the leaf digests it. Called also lustwort.
... where Master Simon chained his ferry-boat. Fourteen miles inland, a brown trout-stream singing down from the moors, plunged over a ledge of rock into the cool depths of Cuckoo Valley. Thenceforward it ran by beds of sundew, water-mint and asphodel, under woods so steeply converging that the traveller upon the ridges heard it as the trickle of water in a cavern. But just above Master Simon's inn the valley widened out into arable ... — Wandering Heath • Sir Arthur Thomas Quiller-Couch