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词汇 protogynous
释义

Definition of protogynous in English:

protogynous

adjective prəʊˈtɒdʒɪnəsprōˈtäjənəs
Zoology Botany
  • (of a hermaphrodite flower or animal) having the female reproductive organs come to maturity before the male.

    〔植和动〕雌蕊先熟的,雌性先熟的。PROTANDROUS 的反义词

    The opposite of protandrous
    Example sentencesExamples
    • Of particular interest was gender variation of early blooming inflorescences in this protogynous species.
    • Functionally, flowers are hermaphroditic, protogynous and self-compatible, but substantial seed production requires insect pollination.
    • The pistillate flower of the cyathium develops before the male ones; thus each cyathium is functionally a protogynous hermaphrodite ‘flower’.
    • Female wrasses are called protogynous hermaphrodites, which means they can change sex to become males should there be a need, such as when a dominant male is eaten, dies, or is chased away.
    • Flowers of this species are protogynous, visited by a good variety of insects, and capable of both self-and cross-fertilization.

Derivatives

  • protogyny

  • noun
    Botany Zoology
    • Sequential hermaphroditism (functioning as male during one life phase and as female during another) is common in marine fishes, with protogyny (sex change from female to male) predominating.
      Example sentencesExamples
      • However, the form of dichogamy (protogyny and protandry) is likely to have different consequences for autogamy versus geitonogamy.
      • Protandry (and the less frequent, opposite pattern called protogyny) may occur for different reasons in different taxa.
      • At the extreme, true prolificacy leads to protogyny whereas normal maize shows protandry.
      • This fish species exhibits protogyny (females are capable of becoming males).

Definition of protogynous in US English:

protogynous

adjectiveprōˈtäjənəs
Botany Zoology
  • (of a hermaphrodite flower or animal) having the female reproductive organs come to maturity before the male.

    〔植和动〕雌蕊先熟的,雌性先熟的。PROTANDROUS 的反义词

    The opposite of protandrous
    Example sentencesExamples
    • Functionally, flowers are hermaphroditic, protogynous and self-compatible, but substantial seed production requires insect pollination.
    • Of particular interest was gender variation of early blooming inflorescences in this protogynous species.
    • Female wrasses are called protogynous hermaphrodites, which means they can change sex to become males should there be a need, such as when a dominant male is eaten, dies, or is chased away.
    • Flowers of this species are protogynous, visited by a good variety of insects, and capable of both self-and cross-fertilization.
    • The pistillate flower of the cyathium develops before the male ones; thus each cyathium is functionally a protogynous hermaphrodite ‘flower’.
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