curly-cup gumweed

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Grindelia squarrosa var. serrulata


Taxonomy

Family:

Asteraceae (aster)

 

Subfamily:

Asteroideae

 

Supertribe:

Asterodae

 

Tribe:

Astereae (aster)

 

No Rank:

North American clade

Parent

curly-cup gumweed (Grindelia squarrosa)


Nativity

Native to the Great Plains states, including North Dakota and South Dakota. Introduced and naturalized in Minnesota.

Status

 

Habitat

Dry. Disturbed areas. Full sun.

Flowering

Late July to September

Flower Color

Yellow

Height

4 to 40


Identification

The upper and middle leaves are narrow. They are linear-oblong to oblanceolate and are 5 to 8 times as long as wide. They are closely and evenly toothed. They are dotted with resinous glands.

 
Similar
Species

Curly-cup gumweed (Grindelia squarrosa var. quasiperennis) has leaves that are untoothed, are remotely sharply small-toothed, or have lower leaves that are irregularly lobed, or pinnatifid.

Curly-cup gumweed (Grindelia squarrosa var. squarrosa) has wider upper and middle leaves. They are egg-shaped or oblong and are 2 to 4 times as long as wide.


Range

No information available

   
 
Sightings    

Comments

 


Images  
               

Synonyms

Grindelia serrulata

 
Common
Names

curly-cup gumweed

curlycup gumweed

curlytop gumweed

gum-plant

gumweed

rosinweed

tarweed


 

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