Dehiscent

Dehiscent refers to a specific type of fruit in botany, where the fruit opens at maturity to release its seeds. This is a common characteristic in many different types of plants, including those in the legume family.

Types of Dehiscence

There are three main types of dehiscence: loculicidal, septicidal, and circumscissile.

• Loculicidal dehiscence occurs when the fruit splits along the locule, or the chamber within the fruit that contains the seeds. This is common in plants such as lilies and tulips.

• Septicidal dehiscence happens when the fruit splits along the septum, or the wall that separates the locules. This is seen in plants like rhododendrons and azaleas.

• Circumscissile dehiscence is when the fruit opens by a lid, or "cap," coming off the top of the fruit. This is common in plants such as henbane and plantain.

Contrast with Indehiscent Fruits

Dehiscent fruits are contrasted with indehiscent fruits, which do not split open at maturity. Instead, the seeds are released through other means, such as being eaten by animals. Examples of indehiscent fruits include acorns and sunflower seeds.

Ecological Significance

Dehiscence has significant ecological implications. By releasing their seeds in a specific manner, plants can ensure that their offspring are spread over a wide area. This can help to increase the plant's chances of survival and reproduction.

See Also

• Fruit anatomy
• Seed dispersal
• Plant reproduction

Dehiscent Resources
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