Grapefruit, Lemon, Lime, Orange (Citrus)
Grapefruit, Lemon, Lime, Orange Genus Details
Citrus are large shrubs or small trees, with compound, simple or pinnately compound leaves with oil glands which give off a strong aroma. Citrus is originally from the tropics and is grown in warmer regions of the U.S. Flowers are greenish-yellow to white in color. Citrus flowers in Florida from January to April and in California from March to May. They reach 20-25 feet in height. In herbal medicine, an infusion of dried citrus flowers is used as a mild nervous stimulant.
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Grapefruit, a member of the citrus genus (Citrus paradisi)
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Orange, a member of the citrus genus (Citrus sinensis)
Grapefruit, Lemon, Lime, Orange Allergy Info
Since citrus is chiefly insect pollinated, limited airborne pollen is released. Therefore, few reports are made from people suffering from allergies to citrus pollen. Some people are irritated physically by the aroma from these plants.
Grapefruit, Lemon, Lime, Orange Pollen Description
Pollen grains are prolate to prolate-spheroidal; the amb triangular, lobed or with convex sides and 4-(5) colporate. The colpi are long and narrow and the ora generally lalongate. The sexine is often reticulate.
The pollen grains vary in size from 23-37 x 17-32 micometers.
Species in This Genus
Allergenicity Legend:
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Grapefruit, Lemon, Lime, Orange (Citrus) is a genus of the RUTACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
