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萼片

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  • sepal
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萼片 [è piàn]
  • [sepal] 组成花萼的变形叶之一

萼片[è piàn]
  1. 一种长花距的兰花,有基生叶及靠合在上萼片之下的花瓣。

    A long-spurred orchid with base leaves and petals converging under the upper sepal .

  2. 在花药,萼片和茎中表达量非常低。

    The expression level in the anther , sepal and stem were relatively low .

  3. 现在,花蕾绽开了。我们能够看到,绿色的包裹物或者说杯形结构已经向后弯曲。此时,我们会注意到,这种杯形结构实际上由五片部分连接的绿色萼片组成。

    Now that the bud has opened , we see its green covering or cup turned back , and we notice that this cup is made of five small green leaves which have partly grown together .

  4. 同时,萼片中叶绿素a含量的动态变化与Fe含量的动态变化呈显著性正相关,表明萼片中大量的Fe可能用于叶绿素a的合成。

    There was an positive correlation between Fe and Chla content dynamic changes in fruitlet calyx , it indicated that the abundant of Fe was probably used for Chla synthesis .

  5. 能够在成熟花粉以及叶片、根、萼片和柱头中检测到GUS的高水平表达。

    High level of GUS expression was detected in mature pollens as well as leaves , roots , sepals and stigmas .

  6. 总之,在盛花期喷施复合试剂M1对库尔勒香梨的坐果率、萼片脱落和改善果实品质具有最佳的促进效果。

    In a word , at full-bloom stage treated with compound reagent " M1 " have a best accelerative effect on fruit set rate , dropping calyx rate and improvement of fruit quality . 4 .

  7. 其中雄蕊分化期、雌蕊分化期分化速度最快,持续时间仅为3~5d,而从花序原基分化期至小花花萼分化期分化较慢。4.萼片分化期;

    The phase of carpel differentiation and pistil differentiation were were relatively short , only about 3-5 days , and the phase from inflorescence primordium differentiation to sepal differentiation is relatively long .

  8. 有时,萼片也可轻微着色以吸引昆虫进行传粉。

    Sometimes they are brightly colored and attract insects for pollination .

  9. 萼片、花瓣、雄蕊和雌蕊同心排列构成完全花。

    Flowers are formed in concentric whorls of sepals , petals , stamens and carpels .

  10. 开放前的萼片盛开。

    The sepals open before the bloom .

  11. 4级&萼片形成期;

    Stage 4 - Sepal formation ;

  12. 美国东南部攀援半灌木植物,紫红色钟状的大花上有似皮革反曲的萼片。

    Scandent subshrub of southeastern United States having large red-purple bell-shaped flowers with leathery recurved sepals .

  13. 其中最明显的是鲜艳的花瓣,花瓣下有一轮萼片。

    Most obvious of these are the brightly colored petals supported by a whorl of sepals .

  14. 美国南部木藤植物,蓝紫色花上有似皮革的反曲的萼片。

    Woody vine of the southern United States having purple or blue flowers with leathery recurved sepals .

  15. 库尔勒香梨萼片脱落与宿存特性及其调控的初步研究

    Preliminary Studies on Characteristic and Control of Calyx Leaving and Persistent from Fruit of Korla Fragrant Pear

  16. 萼筒外有长柔毛,萼片内外两面无毛或内面顶端有毛。

    Calyx tube outside have pilose ; sepals inside and outside glabrous or reversing the top hairy .

  17. 睡莲的萼片4枚,向轴式发生;

    In Nymphaea , 4 sepal primordia initiated from abaxial to adaxial side of the floral apex .

  18. 花原基形成后,随即分化出5个萼片原基突起,之后,在萼片原基突起的内侧形成5个与之互生的花瓣原基突起,并进一步向内依次分化雄蕊原基和雌蕊原基。

    After formation of flower primordium . meristem is differentiated to sepal , petal , stamen and pistil .

  19. 花的分生组织进行活跃的细胞分裂,并逐步分化形成萼片、瓣、蕊和雌蕊4个器官。

    Floral meristem undertake cell divisions actively and differentiate into sepals , petals , stamens and carpels gradually .

  20. 全缘的:用于描述叶、萼片或花瓣的边缘光滑、无裂片。

    Entire Describing the margin of a leaf , sepal , or petal that is smooth and undivided .

  21. 裂唇卷瓣兰的中萼片全缘前部具一粒状附属物,唇瓣基部两侧具耳。

    B.picturatum is characterized by its entire dorsal sepal with a seta and lip with two auricles at base .

  22. 有脊或龙骨的,形状象脊或龙骨的:龙骨状萼片。

    Having a ridge or shaped like a ridge or the keel of a ship : a carinate sepal .

  23. 产于北美的一种兰花,花紫色适有白色,萼片和花瓣在和蕊柱后面形成盔瓣。

    North American orchid having a spike of violet-purple flowers mixed with white ; sepals and petals form a hood .

  24. 春季开花的蜘蛛兰,花有黄色、绿色或粉色的萼片、有宽阔而柔软的褐色唇瓣。

    Spring-blooming spider orchid having a flower with yellow or green or pink sepals and a broad brown velvety lip .

  25. 同时,其苞片原基、萼片原基、花瓣原基的分化持续时间比同花型的品种在菏泽地区的持续时间要长。

    The duration of bract primordium phase , sepal primordium phase and petal primordium phase were longer than it in Heze .

  26. 萼片、花冠和雄蕊的发生式样均为五基数类型,它们各来源于花原基上分化出来的花萼原基,花冠原基和雄蕊原基。

    Calyx , corolla , and androecium were all pentamerous , developing from calyx , corolla and androecium primordial , respectively .

  27. 当年小枝粗壮,2肋;干燥时的叶片厚革质,背面的红棕色;萼片短柔毛。

    Current year branchlets stout , 2-ribbed ; leaf blade thickly leathery , abaxially reddish brown when dry ; sepals pubescent .

  28. 花芽各部分按照分化先后顺序分别为萼片原基、雄蕊原基、雌蕊原基和花瓣原基。

    Flower bud differentiation of the various parts included the sepal primordia , stamen primordium , pistil primordium and petal primordium .

  29. 本品种兰花花序长,花朵多,并带有苹果绿的萼片、花瓣和向上挺立的白色唇瓣。

    The long inflorescences bear many flowers with apple green sepals and petals , with a white lip which is held upright .

  30. (植物学)缺少完全花的四个轮生体当中的一个或者多个&萼片、花瓣、雄蕊或者雌蕊。

    ( botany ) lacking one or more of the four whorls of the complete flower & sepals or petals or stamens or pistils .