Hibernaculum (botany)

（重定向自Winter bud）

Hibernaculum (plural hibernacula) is the term often applied to a winter bud of certain aquatic plants, such as the bladderworts (Utricularia). The buds are heavier than water, and, being developed at the approach of cold weather, they become detached, sink to the bottom of the pond, and thus survive the winter. In the spring, they enlarge, developing air spaces, rise to the surface, and reproduce their species.

单词	Winter bud
释义	Winter bud 英语百科 Hibernaculum (botany) （重定向自Winter bud） Hibernaculum (plural hibernacula) is the term often applied to a winter bud of certain aquatic plants, such as the bladderworts (Utricularia). The buds are heavier than water, and, being developed at the approach of cold weather, they become detached, sink to the bottom of the pond, and thus survive the winter. In the spring, they enlarge, developing air spaces, rise to the surface, and reproduce their species.
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