网站首页  英语词汇  英语词缀  汉语字典  汉语词典  成语词典

请输入您要查询的英语词汇:

 

词汇 anatropous
释义
anatropous是什么意思,anatropous怎么读 语音:
英音  ['æneɪtrəʊpəs] 
美音  ['æneɪtroʊpəs] 
anatropous 基本解释
adj. (胚珠)倒生的
anatropous 用法和例句
Ovary superior , conic , glabrous , 3-loculed , apically tapering into an elongated slightly 3-parted style ; ovules 2 per locule , pendulous , anatropous .
子房上位,圆锥形,无毛,3室,顶部花柱稍3裂;每个子房室内胚珠2,倒生。
It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules .
从雌球果原基发生到胚珠分化历时4个多月。
Ovary superior , usually 2-5-celled ; ovules 2 or rarely 1 in each cell , usually anatropous , axile , pendulous or rarely ascending , micropyle superior , raphe adaxial ; style simple ; stigma undivided or 2-5-lobed .
子房上位,通常室;每室2胚珠或者很少1胚珠,通常倒生,中轴,下垂或者很少上升,珠孔上位,正面有脊缝;花柱单一;柱头不分裂或者2-5裂。
Ovary inferior , 1-loculed ; ovules 2 ( - 6 ) , pendulous , anatropous , usually only 1 developing ; style 1 , simple , usually free from distal part of calyx tube , subulate to filiform ; stigma capitate or inconspicuous .
子房下位,1室;胚珠2(-6),倒悬于子房室的顶端,通常只有1个胚珠发育;花柱1,不分枝,通常从萼筒远轴中长出,钻形到丝状;柱头头状或不明显。
Ovary superior , disk absent , locules and carpels 3-5 or more ; placentation axile ; ovules anatropous with a single integument , 10 or more per locule ; styles as many as carpels , distinct or connate ( then only one style ) , generally persistent .
子房上位,无花盘,室和心皮3-5或更多;中轴胎座胚珠倒生,有单个珠被,每子房室有10个或更多的胚珠;花柱和心皮同数,离生或者合生(通常只有一个花柱),通常宿存。
随便看

 

同文网英语词汇栏目收词142012余条,连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同(近)义词等多项功能,对所收词汇进行全方位的解释和说明,内容丰富,功能全面。

 

Copyright © 1998-2025 poczo.com All Rights Reserved
更新时间:2025/5/2 5:26:16