Search By Location 
 

Forsythia (Forsythia)

section divider
Home « Forsythia

Forsythia Genus Details

section divider
A native of China, forsythia is a common landscape plant. Forsythia is an opposite-leaved shrub. They are fast growing, generally reaching 4-9 feet in height. Bright yellow flowers bloom early in spring, before the leaves appear.
Weeping Forsythia (Forsythia suspensa).
Weeping Forsythia (Forsythia suspensa).

Forsythia Allergy Info

section divider
Forsythias are low pollen producers as their pollen is insect dispersed and are not indicated in pollinosis.

Forsythia Pollen Description

section divider
The pollen grains are prolate or suboblate to spheroidal; the amb triangular and 3-colporate. The surface of the pollen grain is coarsely reticulate.
Pollen grains vary in size from 28-32 micrometers.
Ligustrum vulgare, single grain. Herb. MIN
Ligustrum vulgare, single grain. Herb. MIN
Ligustrum vulgare, multiple grains. Herb. MIN
Ligustrum vulgare, multiple grains. Herb. MIN

Species in This Genus

section divider
Allergenicity Legend:
Mild Allergen Mild Allergen  |  Moderate Allergen Moderate Allergen  |  Severe Allergen Severe Allergen  |  Allergy Test Allergy Test Available
Forsythia (Forsythia) is a genus of the OLEACEAE family.
This genus includes the following allergenic species:

Allergens and Plants Search

section divider Enter a full or partial species name to find more information on one of over 1200 potentially allergenic plants. For example, you can find chenopods searching on "cheno" (no quotes) as Latin Name.

Search By Plant Name:
 
 Common Name    Latin Name

Search By Alphabet:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Advertisement

Forsythia Genus Location

section divider
The shaded areas on the map indicates where the genus has been observed in the United States. Click the map to see a full scale version of these allergy areas.
  - Native, observed in a county
  - Introduced, observed in a county
  - Rarely observed

Related Links

section divider
Advertisement
facebook_twitter

Advertisement