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Photo: Bernard DUPONT for Fieldstone Publishing
Roundleaf Sundew
With its alien looks, this carnivorous wildflower is the stuff of nightmares for insects. Hair-like tendrils on leaves are tipped with sugary, sticky droplets that unsuspecting insects mistake for nectar. Once a mosquito, fly or gnat zips in for a sweet morsel, they’re trapped by the stickiness. The tendrils detect when insects are caught, and the leaf slowly wraps around its prey, engulfing it and digesting it with enzymes. Roundleaf sundew (Drosera rotundifolia) supplements its diet with insects because it grows in the nutrient-poor acidic soil of bogs, moors and heaths. Historically, people used sundew in anti-aging potions and as a love charm because of its power to lure. Hardy in Zones 5 to 9.