| 词汇 | cupule |
| 释义 | BETA Examples of cupulecupule isn’t in the Cambridge Dictionary yet. You can help! When the oblong-ellipsoid acorn reaches maturity, it acquires a brown to reddish colour and becomes detached from the cupule, so falling to the ground. However, when it falls to the ground the cupule is lost and the fruit is susceptible to increased water loss. The pericarp surface corresponding to the cupule is rough textured, grey and increasingly thickened from the edges to the centre. Thus, it is possible that the overall cupule-acorn system is particularly adapted to preventing water loss when the fruit is on the tree. Two zones presenting morphological and micromorphological differences were identified: an area including the point of attachment to the cupule and an apical zone covering the embryo. Coating of the area of the cupule with waxes or resins might lead to a reduction in water loss, but may also impede gaseous exchange during storage. It usually contains a single seed (rarely two seeds), enclosed in a tough, leathery shell, and borne in a cup-shaped cupule. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The fruits are oblong berries which are covered by a cup-shaped cupule where they join the peduncle, giving them an appearance similar to an acorn. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It develops from an inferior ovary, meaning it is initially encased in the future cupule. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The cupule holds and protects the fruit during its growth and maturation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The fruit is a small cupule containing three seeds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Each seed is enclosed by a very hard fruitcase, consisting of a cupule or depression in the rachis and a tough lower glume. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Only one fruit per cupule is developed, and the inside of the acorn shell is woolly. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The fruits drupes, drupe borne on pedicel with or without persistent tepals at base, or seated in deeply cup-shaped receptacle (cupule), or enclosed in accrescent floral tube. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The cupule is covered by numerous scales. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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