giant goldenrod

(Solidago gigantea)

               
Conservation Status

IUCN Red List

not yet assessed

 

No image available

NatureServe

N5 - Secure

SNR - Unranked

Minnesota

not listed

Wetland
Indicator
Status

Great Plains

FAC - Facultative

Midwest

FACW - Facultative wetland

Northcentral & Northeast

FACW - Facultative wetland

Nativity

Native

 
Occurrence

Very common and widespread

 
Habitat

Wet, moderate moisture, and dry. Meadows, prairies, streambanks, swamps, calcareous fens, open wiidlands, roadsides. Full sun to light shade.

 
Flowering

July to September

     
Flower Color

Yellow ray flowers, yellow disk flowers

     
Height

20 to 80

     

Identification

The stem is hairless, often glaucous, and often tinged reddish-purple.

 
Similar
Species

This is the only goldenrod in Minnesota with a hairless, glaucous stem.

Missouri goldenrod (Solidago missouriensis) stem is hairless but never glaucous.

 
Pests and Diseases

Goldenrod gall fly (Eurosta solidaginis) produces and globular swelling on the stem of the plant.


Distribution Distribution Map  

Sources: 2, 3, 4, 5, 7, 22, 28, 29.


Comments

Easy Identification
With some well known exceptions, goldenrods are notoriously difficult to identify in the field. This is one of the exceptions. Giant goldenrod is the only goldenrod in Minnesota with a hairless, glaucous stem. It is the only goldenrod with a hairless stem that may have a globular gall on the stem. The gall is produced by the goldenrod gall fly and is very common, occurring almost everywhere giant goldenrod is found.


Taxonomy

Family:

Asteraceae (aster)

 

Subfamily:

Asteroideae

 

Supertribe:

Asterodae

 

Tribe:

Astereae (aster)

 

No Rank:

North American clade

 
Synonyms

Aster latissimifolius var. serotinus

Solidago dumetorum

Solidago gigantea ssp. serotina

Solidago gigantea var. leiophylla

Solidago gigantea var. pitcheri

Solidago gigantea var. serotina

 

Solidago gigantea var. shinnersii

Solidago pitcheri

Solidago serotina

Solidago serotinoides

Solidago X leiophallax

 
Common
Names

early goldenrod

giant goldenrod

smooth goldenrod

tall goldenrod

   

 

 

 

 

 

 

 

 

 

 

Glossary

glaucous

Pale green or bluish gray due to a whitish, powdery or waxy film, as on a plum or a grape.

       

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Slideshows

   
  Giant Goldenrod (Solidago gigantea)
Bill Keim
 
  Giant Goldenrod (Solidago gigantea)  
     
  Solidago gigantea LATE GOLDENROD
Frank Mayfield
 
  Solidago gigantea LATE GOLDENROD  

 

slideshow

     

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Other Videos

 
  Giant Goldenrod (Solidago gigantea) - 2013-08-13
W3stlander
 
   
 
About

Published on Aug 13, 2013

Solidago gigantea is a plant species in the genus Solidago. Its common name is giant goldenrod.

--------------------
Late guldenroede (Solidago gigantea) is een vaste plant met lange uitlopers. De soort behoort tot de composietenfamilie (Asteraceae). De plant komt oorspronkelijk uit Noord-Amerika en komt nu in geheel Europa voor. De plant wordt ook in siertuinen gebruikt.

De plant wordt 50-150 cm hoog en heeft tot aan de bloeiwijze een kale stengel. De stengel kan groen of purper gekleurd zijn. De bladeren zijn van onderen blauwgroen en kaal met soms een kort behaarde middennerf of aan de randen gewimperd.

52.01511 4.30414

 
     
  Solidago gigantea la verge d'or géante, finalement, une plante qui ne sent pas si bon !
Jean Yves Bernoux
 
   
 
About

Published on Sep 4, 2012

Solidage géant, ou Solidage glabre, une plante à fleurs jaunes venue tout droit du continent nord-américain, une plante qui depuis s'est trop bien acclimatée et qui devient invasive et une menace pour la flore locale, elle est sur la liste noire de quelques pays, liste qui va sans doute s'étendre ! http://www.champyves.fr/nature/FicsHtml/F_J_Solidago_gigantea.htm

 
     
  00001 GIant Goldenrod
rockerBOO
 
   
 
About

Published on Jan 11, 2015

 
     
  Goldenrod Bees
MrILoveTheAnts
 
   
 
About

Uploaded on May 12, 2010

Loads of honey bees working the giant goldenrod in our garden. Solidago gigantea I believe but this got taller than 7

 
     

 

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