苞片化 的英文怎麼說
中文拼音 [bāopiānhuà]
苞片化
英文
bracteody-
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。On the whole, the tr and gs of leaf of anthurium andraeanum lind decreased under elevated [ co2 ] and wue increased, these might be beneficial for the increase of pn and chlorophyll as well as accumulation of organic compounds which promoted plant growth and florescence and flower leaf area, furthermore, the improvement of quality
總之， co :加富條件下紅掌葉片的氣孔導度與蒸騰速率降低，水分利用效率增加，凈光合速率提高，有利於碳水化合物的積累，促使紅掌的各項生長指標（株高、葉面積、生物量）提高，開花比率提高，佛焰苞面積增大，提前且延長了花期，提高了紅掌的觀賞品質。It has long been believed that plant bract is one kind of metamorphism of or evolved directly from leaf
一般認為，苞片是葉片的變態或自葉片演化而來。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。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。On the other hand, some characters used by the previous authors for distinguishing the varieties are extremely variable both within and among populations, but they are important in studying the evolution of the complex
同時認識到一些性狀（如總苞片寬度等）作為檢索表特徵是不可靠的。結合細胞學、細胞地理學研究成果，探討了形態學性狀演化趨勢。分享友人