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  2. Sepal - Wikipedia

    en.wikipedia.org/wiki/Sepal

    A sepal (/ ˈ s ɛ p əl, ˈ s iː p əl /) [1] [2] [3] is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom.

  3. Glossary of botanical terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_botanical_terms

    [14] Compare derived terms such as monadelphous, having stamens growing in a single bunch or tube, for example in Hibiscus, and diadelphous, growing in two bunches. adherent Slightly united to an organ of another kind, [13] usually to a part of another whorl, e.g. a sepal connected to a petal. Contrast adnate. adnate

  4. Aestivation (botany) - Wikipedia

    en.wikipedia.org/wiki/Aestivation_(botany)

    A diagram showing some kinds of petal or sepal aestivation in flower buds. A: quincuncial; B: twisted, C: cochleate; D: contorted; E: valvate; F: open. Aestivation or estivation is the positional arrangement of the parts of a flower within a flower bud before it has opened.

  5. Flower - Wikipedia

    en.wikipedia.org/wiki/Flower

    For example, when there is a loss of B gene function, mutant flowers are produced with sepals in the first whorl as usual, but also in the second whorl instead of the normal petal formation. In the third whorl, the lack of the B function but the presence of the C function mimics the fourth whorl, leading to the formation of carpels also in the ...

  6. Ovary (botany) - Wikipedia

    en.wikipedia.org/wiki/Ovary_(botany)

    A fruit is the mature, ripened ovary of a flower following double fertilization in an angiosperm.Because gymnosperms do not have an ovary but reproduce through fertilization of unprotected ovules, they produce naked seeds that do not have a surrounding fruit, this meaning that juniper and yew "berries" are not fruits, but modified cones.

  7. Tepal - Wikipedia

    en.wikipedia.org/wiki/Tepal

    For example, Amborella, which is thought to have separated earliest in the evolution of flowering plants, [4] has flowers with undifferentiated tepals. Distinct petals and sepals would therefore have arisen by differentiation, probably in response to animal pollination.

  8. Lists of animals - Wikipedia

    en.wikipedia.org/wiki/Lists_of_animals

    Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs.

  9. Berry (botany) - Wikipedia

    en.wikipedia.org/wiki/Berry_(botany)

    This distinguishes, for example, a Vaccinium or Solanum berry from an Adansonia (baobab) amphisarca, which has a dry, more rigid and self-supporting skin. [11] The fruit of citrus , such as the orange , kumquat and lemon , is a berry with a thick rind and a very juicy interior divided into segments by septa , that is given the special name ...