| 词汇 | calyx |
| 释义 | calyx noun[ C ] biology specializeduk /ˈkeɪ.lɪks/ us /ˈkeɪ.lɪks/pluralcalycesuk /ˈkeɪ.lɪ.siːz/ us /ˈkeɪ.lɪ.siːz/calyxes the outer part of a flower formed by the sepals (= the separate outer parts), which covers and protects the petals, etc. as they develop花萼（位于花的外侧，有若干萼片组成，开花时起到保护花瓣的作用） ZenShui/Michele Constantini/PhotoAlto Agency RF Collections/GettyImages Parts of plants axil bark bilobed blade bulb caning cascara sagrada corolla endodermis floret inflorescence knot pistil rooty rosella seed coat seed pod sessile sting taproot If we examine a blossom bud just before it opens we will see only the calyx. In the buttercup and mustard the calyx is divided into separate parts called sepals. The flowers usually have a calyx, and may have only stamens or carpels, or both. We call this cloak the calyx, because when it opens it looks like a cup, and the word calyx means cup. When the petals fall, the calyx is open and this is the time to spray. Examples of calyxcalyx The cotyledons and corolla of a plant are worked on by an expansive force, while the calyx and coronas are affected by a contractive force. Some seeds are starchy, and some have resiny calyx tubes while others have thick ones. Uninfested fruits were not entered by females except in the case of apple where they entered through the calyx. The calyx was excluded from this measurement as preliminary experiments indicated that very few of the insects attempted to feed on this structure. Most species are easily distinguished by their highly attractive, double inflorescences and imbricate calyx-lobes. Veronica species were described as smooth/hairy because all seeds observed attached to the dog were enclosed in the hairy calyx. There are five petals which are deeply notched at the end, narrowed at the base and all go into an urn-shaped calyx. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The calyx of the flower is usually 1 centimeter long and very hairy, with 3 lobes that may appear to be triangular or obtuse. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The flowers are pinkish-lavender, about.5in cm long, growing in whorls along the inflorescence, and held in a small oxblood-red five-pointed hairy calyx. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Curling purple-veined white petals emerge from the tip of the calyx. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its calyx lobes are villous with an open navel that have styles which are of 1- 2 long. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They consist of five petals, five stamens, and an entire calyx. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The calyx and the corolla are both pentamerous (with five lobes), petals are free while sepals are connate or united at the base. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On the flowers, two of the calyx lobes are longer, extending further than the petals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The three 0.8 to 1.2 centimeters long, sepals are fused, white, have fluffy hairs and the three calyx teeth are unequal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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