查询词典 gynostemium
- 与 gynostemium 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In first stage,from the beginning of pollination to megaspore tetrad,pollen tubes grow axially,passing through gynostemium to the ovary and from proximal placenta along ovary wall develop upward.
花粉在柱头上萌发和生长后,花粉管沿着花柱一直延伸到子房,进入胚囊释放精细胞,实现精卵结合,这就是亲和受精过程[1]。
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Male flowers: perianth tube basally solid; stamens 20, connectives completely united to form a stalked cup; anthers inserted on outside at base of cup, surrounding column base; gynostemium rudimentary.
雄花: 基部的花被筒实心;雄蕊20,药隔完全形成一个柄杯的;花药着生于在杯状的基部外边的,围绕柱状的基部;合蕊柱不发育。
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Anthers oblong, 3-4 mm. Gynostemium 3-lobed.
花药长圆形,3-4毫米合蕊柱3浅裂。
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Stamens 6-12, in 1 or 2 series; filaments adnate to ovary or style column with anthers free, or filaments and anthers fully adnate to style column to form gynostemium; anthers 2-loculed, dehiscence longitudinal.
或在1方面,雄蕊6-12系列;花丝贴生到子房上或者贴生到圆柱状花柱上,且花药离生,或花丝和花药与花柱合生形成合蕊柱。
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Stamens 5 to very numerous, in 1-3 series, fused with the rudimentary pistil into a gynostemium or in bisexual flowers connate into a cylinder; free filaments absent; anthers 2-loculed, dehiscent longitudinally or by apical pores.
雄蕊5 到多,1-3 列,退化雌蕊愈合成合蕊柱或两性花合生成圆柱体无离生的花丝;花药2室,纵裂或者凭借顶孔开裂。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力