white sage

(Artemisia ludoviciana ssp. ludoviciana)

               
Conservation Status

IUCN Red List

not yet assessed

white sage

NatureServe

N5 - Secure

SNR - Unranked

Minnesota

not listed

Wetland
Indicator
Status

Great Plains

UPL - Obligate upland

Midwest

UPL - Obligate upland

Northcentral & Northeast

UPL - Obligate upland

Nativity

Native

Occurrence

Common

Habitat

Dry. Prairies, disturbed sites.

Flowering

July to October

     
Flower Color

Yellow or yellow-green

     
Height

1 to 3

     

Identification

This is a 1 to 3 tall, erect, perennial forb that rises on multiple stems from a slender, horizontal rhizome. It often forms colonies. The leaves and stem are highly fragrant with a sage-like aroma.

The stems are unbranched below the inflorescence. They are covered with white, short, soft, matted, woolly hairs, at least near the top.

The leaves are alternate, gray, inversely lance-shaped with the attachment at the narrow end. They are 1 to 4 long and up to ½ wide at the base, getting progressively smaller as they ascend the stem. They are untoothed and unlobed or may have a few lobes or large, coarse teeth toward the tips. The margins are flat, not rolled under. The upper and lower surfaces are densely covered with white, short, soft, matted, woolly hairs, the lower surface more so than the upper.

The inflorescence is an erect, dense, 2 to 12 long, spike-like cluster at the top of some of the stems.

The flowers are yellow or yellow-green, small, round, and inconspicuous. They are composed of 6 to 12 very short ray florets and 5 to 12 disk florets. There is no floral scent.

The fruit is a tiny achene.

 
Similar
Species

Subspecies ludoviciana is the most widespread, common, and the most varied in appearance. It is the only subspecies that occurs in Minnesota.

The gray color of the stems and leaves and the relatively broad, lance-shaped leaf distinguish this plant from other Artemisia species that occur in the state.


Distribution Distribution Map   Sources: 2, 3, 4, 5, 7, 28.

Comments

 


Taxonomy

Family:

Asteraceae (aster)

 

Subfamily:

Asteroideae

 

Supertribe:

Asterodae

 

Tribe:

Anthemideae (camomile)

 

Subtribe:

Artemisiinae

 
Synonyms

Artemisia brittonii

Artemisia cuneata

Artemisia diversifolia

Artemisia falcata

Artemisia gnaphalodes

Artemisia herriotii

Artemisia lindheimeriana

Artemisia ludoviciana var. americana

Artemisia ludoviciana var. brittonii

Artemisia ludoviciana var. gnaphalodes

 

Artemisia ludoviciana var. latifolia

Artemisia ludoviciana var. pabularis

Artemisia ludoviciana ssp. typica

Artemisia pabularis

Artemisia paucicephala

Artemisia pudica

Artemisia purshiana

Artemisia rhizomata

Artemisia vulgaris var. ludoviciana

Artemisia vulgaris ssp. ludoviciana

 
Common
Names

cudweed

cudweed sagewort

gray sagewort

Louisiana sage

Louisiana sagebrush

Louisiana sage-wort

Louisiana wormwood

mugwort wormwood

 

pasture sage

prairie sage

silver wormwood

western mugwort

western sage

white sage

white sagebrush


 

 

 

 

 

 

 

 

 

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.

 

Rhizome

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

       

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Habitat

  white sage   white sage
       

Plant

  white sage   white sage
       
  white sage    
       
       

 

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  Artemisia ludoviciana
Matt Lavin
 
  Artemisia ludoviciana  
 
About

Native rhizomatous herb to 90 cm tall, often in disturbed settings including overgrazed rangeland and roadsides. The stems leaves are often very variable in width, length, and degree of lobing and dentition (from entire leaves to dentate at the tip or lobed along the margins).

 
     

 

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