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orthotropous

/ɔːrˈθɒ.trə.pəs/

翻译: 植物学术语,指胚珠直立,珠孔位于与珠柄相对的一端;该词在现代一般用法中已基本过时。

1 个条目

adjective

/ɔːrˈθɒ.trə.pəs/formalscientific已废弃
  • zh植物学术语,指胚珠直立,珠孔位于与珠柄相对的一端;该词在现代一般用法中已基本过时。

A botanical term describing an ovule that is straight, with the micropyle at the apex opposite the funiculus. The word is now largely obsolete in general use.

  1. Straight ovuleC2formalscientific

    Describing a plant ovule that is completely straight, with the micropyle located at the apex opposite the funicle.

    zh直生胚珠

    • The orthotropous ovule is characteristic of certain plant families.
    • In an orthotropous ovule, the chalaza is at the base and the micropyle at the top.
    • Botanists classify the ovule as orthotropous due to its straight structure.

    反义词amphitropous