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What is the difference b/w unisexual and bisexual plants ?

Watermelon is said to unisexual - Does this mean that 1 watermelon plant has only stamens or carpels ?

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  • Anonymous
    1 decade ago
    Favorite Answer

    The term unisexual and bisexual is applied to the flowers only.

    The plant as a whole is Monoecious or Dioecious .

    Let us try to understand the intricacies of these botanical terms using Watermelon as one of the example =

    Watermelon flowers are yellow, five-petaled flowers about an inch in diameter (smaller than some of the other vine fruits).

    (((((Watermelon vines, like squash, pumpkin, and cucumber, have separate male and female flowers on the same plant. ))))

    The above paragraph in multiple bracket is very useful to you .

    In watermelon One and the same plant ( Vine ) bears male and female flowers.

    So the flowers are UNISEXUAL but the plant ( vine ) is said to be Monoecious !!

    KIndly click on the link below to see Male and Female flowers of Water melon (The scientific name is Citrullus lanatus)=

    This is a female flower.

    http://www.hort.purdue.edu/ext/senior/vegetabl/ima...

    This is male flower

    http://pubs.caes.uga.edu/caespubs/pubcd/L232-malef...

    Now male and female flowers side by side . Note that only the female floer shows distinct ovary green in color at the base of the flower .

    http://upload.wikimedia.org/wikipedia/commons/thum...

    http://www.uga.edu/vegetable/Fig1.jpg

    http://pubs.caes.uga.edu/caespubs/pubcd/L232-squas...

    Thus watermelon has some flowers with ONLY stamens and some flowers with ONLY carpels on one and the same plant or vine !!!!

    Now let us talk about Papaya ==

    In Papaya not only flowers are unisexual BUT the plants are also different .

    Some Papaya tree bears only Male flowers and some only female flowers . Thus in Papaya the flowers are unisexual and the Plant ( Tree ) is Dioecious . ( Remember watermelon is monocious )

    click on the link to see Papaya ==

    Papaya male flower =

    http://www.fao.org/inpho/content/compend/img/ch22/...

    http://www.microscopy-uk.org.uk/mag/imgapr00/femal...

    Papaya female flower =( Note the green ovary )

    http://www.fao.org/inpho/content/compend/img/ch22/...

    Papaya female tree laden with fruits =

    http://starbulletin.com/97/04/09/features/organic....

    Papaya male tree =( Only yellow flowers but no fruits )=

    http://toptropicals.com/pics/garden/m1/raznozw/car...

    Source(s): Botanist
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  • Anonymous
    5 years ago

    This Site Might Help You.

    RE:

    What is the difference b/w unisexual and bisexual plants ?

    Watermelon is said to unisexual - Does this mean that 1 watermelon plant has only stamens or carpels ?

    Source(s): difference unisexual bisexual plants: https://tr.im/TGyYu
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  • 3 years ago

    Bisexual Plants

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  • Gail
    Lv 4
    4 years ago

    Bisexual - Reproductive structure with both male and female equivalent parts with in the same flower on the same plant. (stamens and pistil in angiosperms; also called a perfect or complete flower); other terms widely used are hermaphrodite, monoclinous, and synoecious. it describes about Individual reproductive unit (a flower in angiosperms) Monoecious - having unisexual reproductive units (flowers, conifer cones, or functionally equivalent structures) of both sexes appearing on the same plant; from Greek for "one household". Individuals bearing flowers of both sexes at the same time are called simultaneously or synchronously monoecious. Individuals that bear only flowers of a single sex at one time are called consecutively monoecious; "protoandrous" describes individuals that function first as males and then change to females; "protogynous" describes individuals that function first as females and then change to males. it describes about Individual plant. ie both sexes in different flowers on the same plant.

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  • 3 years ago

    Fruits have seeds; "vegetable" is a non-scientific word for expanded edibles

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  • Anonymous
    3 years ago

    both are roughly the same except when it comes to protein. EVERY veggies include a good amount of protein; fruits does not.

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  • 1 decade ago

    plants with unisexual floewrs have either pistillate[female flowers or the flowers with gynoecium]or staminate [male flowers or flowers with androecium].bisexual flowers have both androecium and gynoecium in the same flowers.no it has both male and female flowers but they r present differently.

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  • Cheryl
    Lv 4
    4 years ago

    For the best answers, search on this site https://shorturl.im/axzhZ

    MEANING IS SAND FOR BOTH BUT BISEXUAL IS USED FOR FLOWER(ANDROCEM / GYNO) WILE MONOCOUS IS USED FOR WHOLE PLANT

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