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"Of the two forms of pitcher in this genus the larger and ordinary form, that of the adult plant, is somewhat twisted, and instead of a lid has a large inflated hood overarching the small mouth. A large bilobed nectariferous and brightly colored expansion hangs down from this, and attracts insects, particularly moths. As in Sarracenia, the plant seems merely to absorb the products of their putrefaction." — The Encyclopedia Britannica, 1893

Darlingtonia

"Of the two forms of pitcher in this genus the larger and ordinary form, that of the adult plant, is…