请输入您要查询的英文单词:

 

单词 heterostyly
释义

heterostyly

/ˈhɛtərə(ʊ)ˌstʌɪli /
noun [mass noun] Botany
The condition (e.g. in primroses) of having styles of different lengths relative to the stamens in the flowers of different individual plants, to reduce self-fertilization.Flowering plants have several mechanisms that have evolved to prevent self-fertilization, e.g. self-incompatibility systems, heterostyly and dichogamy....
  • Although gender specialization is not a regular feature of heterostyly, reproductive differences between morphs has been reported for most studied distylous species.
  • Darwin's correlation between the phenotype and the cross-compatibility of the two forms of flower provided the foundation for subsequent analyses of heterostyly in Primula.

Derivatives

heterostyled

adjective

heterostylous

adjective ...
  • Field observations confirmed that the species is heterostylous with the pistil and anthers exhibiting reciprocal heights in the two morphs, although pollen size and sculpturing do not vary.
  • Pentanisia appears to exhibit dimorphisms typically associated with heterostylous plants.
  • Both F. jinshaense and F. gilesii are self-incompatible with heterostylous flowers and are diploid.

Origin

Late 19th century: from hetero- 'different' + Greek stulos 'column' + -y3.

随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/10 19:48:27