Orange

Citrus × sinensis

"Citrus" × "sinensis", a hybrid between pomelo and mandarin, also known as the sweet oranges, is a commonly cultivated family of oranges that includes blood oranges and navel oranges.
Torocco Half-Blood Orange or Citrus x sinensis Stigma and stamen with anther and thrips Citrus × sinensis

Reproduction

Giant swallowtail caterpillars " cause serious damage to this crop, especially to young trees.
Rotting Navel Orange stem or Citrus sinensis with Blue Mold or Penicillium digitatum f5.6,  1/6 sec., 100 ISO, 2.5X, 157 shots at 136 µm step

https://www.jungledragon.com/image/139948/blue_mold_or_penicillium_digitatum_on_a_navel_orange.html
On a rotting navel orange
Blue Mold or Penicillium digitatum Citrus × sinensis,Geotagged,Penicillium digitatum,Summer,United States

Uses

The orange fruit is an important agricultural product, used for both the juicy fruit pulp and the aromatic peel. Orange blossoms are used in several different ways, as are the leaves and wood of the tree.

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderSapindales
FamilyRutaceae
GenusCitrus
SpeciesC. × sinensis