Rye (Secale)
Rye Genus Details
This grass is a cool-season grain or cereal crop that is not to be confused with ryegrass, a common allergenic lawn grass. This grain, which is grown worldwide, is not a major crop in North America. This genus has 5 species, which consist of both annuals and perennials. The plants grow up to 5' tall and has simple stems and bluish-green, flat leaves that reach 1/2' wide. Flowering occurs from May to June. The abundant pollen is heavy which restricts its wind dispersal range. The grain is used to make bread and rye whiskey.
Rye Allergy Info
Although the grass family in general is considered significant allergenically, this genus is not typically considered to be problematic.
Rye Pollen Description
Grains are spheroidal to ovoidal, sometimes elliptical. The exine is thin and the surface is granular to finely reticuloid. Poaceae apertures are 1-porate, with the pores usually circular to ovoidal.
Grains are 22-122 micrometers in diameter.
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This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grain pictured here. Herb. MIN
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This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grains pictured here. Herb. MIN
Species in This Genus
Allergenicity Legend:
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Rye (Secale) is a genus of the POACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
