shell-flower
showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple • Syn: shellflower, turtlehead, snakehead, snake-head, Chelone glabra • Hypernyms: marsh plant, bog plant, swamp plant • Member Holonyms: Chelone, genus Chelone
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