苞片 的英文怎麼說

中文拼音 [bāopiān]
苞片 英文
bracteole
  • : Ⅰ名詞1 (苞片; 包著花骨朵的小葉片) bud; the calyx of a flower 2 (姓氏) a surname Ⅱ形容詞[書面...
  • : 片構詞成分。
  1. In the early december, the first bract primordium was formed in the axil scale at the cone base, then bract initiation had occurred in acropetal direction

    12月初,最初的苞片原基在雌球果原基的鱗的葉腋處產生,之後其由基部向頂部連續發生。
  2. At the end of february, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale

    2月底,苞片體積不再發生變化,珠鱗膨大端的基部的近軸面分化出2個倒生胚珠。
  3. Spadix rachis flat, margin with bract - like appendages ; flowers small, monoecious, in 2 series on rachis, apetalous

    肉穗花序軸扁平,邊緣有苞片狀附屬物;花小,單性,雌雄同株,呈2列排列于花序軸上,無花被。
  4. In the early january, ovuliferous scale primordial were acropetally formed in the axils of the developing bracts

    翌年1月初,在苞片原基的葉腋處,珠鱗原基發生,發生方向亦為向頂發育。
  5. They have a protective cover of bracts and scales from time of initiation.

    從開始孕育時,花芽便具有一層由苞片和鱗構成的保護層。
  6. Fruit oblate, 1. 7 cm in diameter, base with persistent bracts and sepals

    果扁球形,直徑1 . 7厘米,基部托以宿存苞片和萼
  7. Anterior bract cell

    苞片細胞
  8. It may be reduced or highly colored, as in the scarlet bracts of poinsettia

    一般較小,但也有大形而呈各種顏色的,例如猩猩木中鮮紅色的苞片
  9. In the grasses bracts are borne in pairs below the spikelets and are called glumes

    在禾本科植物中苞片成對生長在每一個小穗的基部,稱為穎
  10. It has long been believed that plant bract is one kind of metamorphism of or evolved directly from leaf

    一般認為,苞片是葉的變態或自葉演化而來。
  11. In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre

    在菊科植物中,苞片數目多而聚生在花序外圍,稱為總
  12. A unique developmental aspect involved in the life cycle of davidia involucrata baill. is the formation of two or three large - sized attractive white bracts surrounding a relatively small - sized capitulum

    珙桐生活史中較獨特的發育事件是其較小的頭狀花序下形成的2 3個大型苞片
  13. Flowers solitary and terminal, white, 10 - 14 cm in diam., sessile ; bracts and sepals leathery, orbicular, covered with grayish silky hairs outside ; petals 8, broadly obovate, 5 - 7 cm long, glabrous, basal 1. 5 cm connate ; stamens in many whorls, 2. 5 cm long, distinct, glabrous ; ovary hairy, 5 - locular, styles 2 cm long, apex 5 - lobed

    花白色,單生於枝頂,直徑10 - 14厘米,無柄;苞片及萼圓形,革質,外被灰色絹毛;花瓣8 ,闊倒卵形,長5 - 7厘米,無毛,基部連生約1 . 5厘米;雄蕊多輪,長2 . 5厘米,離生,無毛;子房有毛, 5室,花柱長2厘米,先端5淺裂。
  14. Each individual floret of the spikelet is also subtended by two bracts, the lower being called the lemma and the upper the palea

    每一朵能發育的花的外面又有兩狀的薄包住,稱為稃,外面的一稱外稃,是花基部的苞片,裏面的一稱內稃。
  15. This species is one of perfect materials to examine the developmental mechanism of plant bract, to explore the developmental relationship between leaf and bract, as well as to study the role and essential function of bract on plant reproductive biology and ecology

    該物種是研究植物苞片發育的分子機理及探討苞片與葉發育的相互關系的理想材料,也是探討苞片在植物生殖生物學及生殖生態學中作用和功能的理想材料。
  16. In virtue of the technique of suppression subtractive hybridization, we had successfully constructed a subtractive library of d. involucrata sprouting bract by taking homochronous leaf as driver in this study

    本研究利用新近發展的抑制性差減雜交技術( ssh )成功構建了珙桐幼嫩苞片和葉差減文庫。
  17. In the most extreme condition in uni - ovulate cone, the female reproductive unit ( fru ) occupies the position of the terminal bud. an evolutionary trend of reduction is supported in the genus from tri - ovulate to uni - ovulate cone, in which the bract number and seed number are reduced, and the seed size and seed surface sculpture are increasing

    總之,麻黃屬雌球花有簡化的趨勢,伴隨著這種趨勢,雌球博士學位論文中國麻黃屬植物的分類? ?兼論麻黃屬的演化花苞片數目減少、種子數目減少、種子體積增大、表面復雜度增加。
  18. Nonetheless nothing has been done on its role and function in the evolutionary and reproductive biology and in the life cycle of this species, saying nothing of its developmental mechanism, since the species was found from west china in 1869

    然而自1869年珙桐被發現以來,未見關于珙桐苞片在該物種進化生物學、生殖生態學及其生活史中的作用和地位的報道。
  19. Differential screening for the library revealed that, 167 of 237 clones randomly selected from the library are positive and represent genes that were exclusively or intensively expressed in bract, which contain inserts ranging from 100 to 2000 bp in length. moreover, except a few clones were expressed predominantly in bract, absolute majority of subtraclive clones were expressed at low level in all checked organs, i. e., bract, leaf and root

    用地高辛標記的珙桐苞片、葉和根的cdna做探針,與差減雜交所獲得克隆的pcr產物的雜交結果表明,有少數基因在這些器官中都是大量表達,而大多數在這些器官里的表達量均很少,除苞片外,一般均檢測不到,有部分基因在苞片中優勢表達。
  20. Description : evergreen trees to 20 m tall, glabrous throughout ; buds, young twigs, lower surfaces of leaves, and bracts covered with white powder

    形態特徵:常綠喬木,高達20米;各部均無毛;芽、幼枝、葉背和苞片均背白粉。
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