The flowers of almost all species are scented. The scent varies, but is often strong and sometimes unpleasant. S. flava has an especially strong odor resembling cat urine.
瓶子草大部分的花是有香味的，这些香味多变，但是通常都很强烈，甚至刺鼻。尤其是黄瓶子草，具有强烈的气味，闻起来有像猫尿。
Coniine, an alkaloid drug narcotic to insects, has been discovered in the nectar-like secretions of at least S. flava.
在黄瓶子草分泌的蜜糖中，可以发现毒芹碱的成分，毒芹碱能使昆虫麻痹。
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