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单词 Stomium
释义

Stomium

英语百科

Dehiscence (botany)

Dehiscence of the follicular fruit of milkweed (Asclepias syriaca) revealing seeds within

Dehiscence is the splitting at maturity along a built-in line of weakness in a plant structure in order to release its contents, and is common among fruits, anthers and sporangia. Sometimes this involves the complete detachment of a part. Structures that open in this way are said to be dehiscent. Structures that do not open in this way are called indehiscent, and rely on other mechanisms such as decay or predation to release the contents.

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