A perennial plant with an underground food storage organ, such as a bulb, tuber, corm, or rhizome. The parts of the plant that grow above ground die away during adverse conditions, as in winter or during the dry season, and grow again from buds that are on or within the underground portion when conditions improve. Crocuses and tulips are geophytes.
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In this connexion it is noteworthy that so many of the higher forms are adapted as bulbous geophytes, or as aerophytes to special xerophilous conditions.