amphitropous ovule

英 美
  • 横生胚珠,曲生胚珠
Noun:
  1. a partly inverted ovule turned back 90 degrees on its stalk

    1. The ovule is unitegmic,tenuinucellate and anatropous.
      薄珠心,单珠被,倒生胚珠,蓼型胚囊。
    2. Frequently the basal ovule, which is the last one to be fertilized would abort.
      最后受精的基生胚珠经常败育。