tarragon

(Artemisia dracunculus)

Conservation Status

 

No image available

  IUCN Red List

not listed

     
  NatureServe

N5 - Secure

SNR - Unranked

     
  Minnesota

not listed

     
           
           
 
Description
 
 

Tarragon is a 24 to 60 tall, erect, perennial forb that rises on a single stem or in a cluster of numerous stems from fibrous roots and a short rhizome or branching caudex. When crushed, the leaves and stem may be either not fragrant to only slightly fragrant or strongly tarragon-scented.

The stems are erect or ascending, stiff. They are green at first, later turning brown or reddish-brown and becoming somewhat woody. They are sometimes hairless, usually sparsely to moderately covered with short, curly hairs.

Basal leaves are narrowly linear, 2 to 3 long, and to 3 16 wide. They have a pair, rarely two pairs, of slender, ascending lobes near the base. The leaves and lobes are sharply pointed at the tip. In Minnesota, the upper and lower surfaces are usually bright green and hairless. They are not silvery or whitish in appearance. The margins are untoothed.

Stem leaves are alternate, to 2¾ long, 1 32 to 3 16 wide, and otherwise similar to basal leaves. Lower, larger stem leaves are sometimes lobed. Middle and upper stem leaves are rarely lobed. Stem leaves do not have leaf-like stipules or stipule-like lobes or teeth at the base.

The inflorescence is an open, leafy, 6 to 18 long, 2½ to 11½ wide, branched cluster (panicle) of numerous, densely spaced flower heads at the end of the stems and branches.

The flower head is small and ball-shaped. It is on a slender, very short, sometimes nodding flower stalk. The whorl of bracts at the base of the flower head (involucre) is 1 16 to long and wide. On the margin of the disc are 6 to 25 pale yellow florets with both stamens and pistils that are fertile and produce fruits. In the center are 8 to 200 pale yellow florets that also have both stamens and pistils, but have abortive ovaries and do not produce fruits. There is no floral scent.

The fruit is a tiny achene.

 
     
 

Height

 
 

24 to 60

 
     
 

Flower Color

 
 

Pale yellow

 
     
 

Similar Species

 
 

 

 
     
 
Habitat
 
 

Dry. Prairies, roadsides. Full sun.

 
     
 
Biology
 
 

Flowering

 
 

July to September

 
     
 
Use
 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

2, 3, 4, 5, 7, 28.

 
  7/7/2019      
         
 

Nativity

 
 

Native

 
         
 

Occurrence

 
 

 

 
         
 
Taxonomy
 
  Kingdom Plantae (green algae and land plants)  
  Subkingdom Viridiplantae (green plants)  
  Infrakingdom Streptophyta (land plants and green algae)  
  Superdivision Embryophyta (land plants)  
  Division Tracheophyta (vascular plants)  
  Subdivision Spermatophytina (seed plants)  
  Class Magnoliopsida (dicots)  
  Superorder Asteranae  
 

Order

Asterales (sunflowers, bellflowers, fanflowers, and allies)  
 

Family

Asteraceae (sunflowers, daisies, asters, and allies)  
  Subfamily Asteroideae  
  Supertribe Asterodae  
  Tribe Anthemideae (chamomiles, yarrows, and allies)  
  Subtribe Artemisiinae  
  Genus Artemisia (wormwoods and sagebrushes)  
       
 

Synonyms

 
 

Artemisia aromatica

Artemisia dracunculina

Artemisia dracunculoides

Artemisia dracunculoides var. dracunculina

Artemisia dracunculus ssp. dracunculina

Artemisia dracunculus ssp. glauca

Artemisia dracunculus var. glauca

Artemisia glauca

Artemisia glauca var. dracunculina

Artemisia glauca var. megacephala

Oligosporus dracunculus

Oligosporus dracunculus ssp. glaucus

 
       
 

Common Names

 
 

dragon

dragon sage-wort

dragon wormwood

false tarragon

French tarragon

green sagewort

silky wormwood

tarragon

wormwood

 
       

 

 

 

 

 

Glossary

Achene

A dry, one-chambered, single-seeded fruit, formed from a single carpel, with the seed attached to the membranous outer layer (wall) only by the seed stalk; the wall, formed entirely from the wall of the superior ovary, does not split open at maturity, but relies on decay or predation to release the contents.

 

Caudex

A short, thickened, woody, persistent enlargement of the stem, at or below ground level, used for water storage.

 

Involucre

A whorl of bracts beneath or surrounding a flower or flower cluster.

 

Linear

Long, straight, and narrow, with more or less parallel sides, like a blade of grass.

 

Panicle

A pyramidal inflorescence with a main stem and branches. Flowers on the lower, longer branches mature earlier than those on the shorter, upper ones.

 

Rhizome

A horizontal, usually underground stem. It serves as a reproductive structure, producing roots below and shoots above at the nodes.

 

Stipule

A small, leaf-like, scale-like, glandular, or rarely spiny appendage found at the base of a leaf stalk, usually occurring in pairs and usually dropping soon.

       
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Slideshows
   
  Artemisia dracunculus
Matt Lavin
 
  Artemisia dracunculus  
 
About

Native short-rhizomatous perennial herb with loosely bunched stems to nearly 1 m tall, no basal rosette of leaves, green leaves entire and linear (a few might bear lobes), contrasting again reddish stems. Roadsides trailsides, and similarly disturbed settings.

 
     

 

slideshow

       
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Other Videos
 
  Tarhon, planta, artemisia dracunculus L.
Adrian Manolache
 
   
 
About

Published on May 24, 2014

   
       

 

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