heterotropous ovule

 
  • 橫生胚珠

heterotropous ovule的用法和樣例:

例句

  1. The ovule is unitegmic,tenuinucellate and anatropous.
    薄珠心,單珠被,倒生胚珠,蓼型胚囊。
  2. Frequently the basal ovule, which is the last one to be fertilized would abort.
    最後受精的基生胚珠經常敗育。

heterotropous ovule的相關資料:

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