Artemisia
ludoviciana
Nut.
by Judi Buckley,
Native Plants Class 2002
Common Names: White Sagebrush, Western Mugwort, Louisiana Sagewort
Family: Asteraceae
Synonymy:
Etymology: The name Artemisia refers to Artemis, Greek goddess of
hunt and forest who so benefited from plants of this family that she
gave it her own name.
Identification
Growth Form: Rhizomatous, aromatic, white-woolly perennial forb.
30 - 80 cm tall, often forming large patches.
Roots: Extensive mat forming root system
Stem: Several to many erect rigid stems 12-36 inches tall with
leafy spike like branches. Branched upward and clustered from creeping
rhizomes.
Leaves: Variable in populations depending on location. From narrowly
elliptic to lanceolate and entire to deeply pinnately lobed. 2-10 cm
long and up to 1.5 cm wide. Alternate; densely hairy, more strongly
white woolly beneath, darker green on the upper surface with age.
Inflorescence/Flowers: An open to contracted pannicle of numerous
small, greenish, flower heads growing in tight clusters among leaves,
near the ends of stems. Disc florets brownish, no ray flowers. Peripheral
flowers usually sterile, central flowers fertile ( 2 ).
Fruit: Fruits dry, smooth, broadly cylindrical achenes ( 4 ).
Similar Species: Artemisia vulgaris
Ecology
Life History: Perennial shrub
Native/Introduced: Native to Eurasia but widely naturalized in
the U.S. (5).
Photosynthetic pathway:
Phenology: Flowers from late August to September. Fruiting begins
in early September to October.
Distribution: A very common component of foothills, plains and
prairies of western North America from British Columbia and western
Ontario to all states west from Wisconsin to Mississippi and into Mexico
(3).
Uses
Wildlife: Palatability good for buffalo, and fair for deer, elk,
sheep, and cattle
Ethnobotanical: Artemisia has a long history with many Northern
Plains tribes in purification rites. The species A. ludoviciana
is known as "man sage" as used by males of the Lakota Sioux
tribe. The species A. cana used by women is thus known as "woman
sage." A. Ludoviciana is also used as a salve, tea and
in its raw form to treat coughs, nosebleeds, cuts, headaches, deodorant,
lung and stomach ailments, and as a mosquito repellent. Also used to
treat wounds on horses.
References
1. Bare,
Janet, E. 1979. Wildflowers and weeds of Kansas. Regents Press of Kansas,
Lawrence, KS, USA.
2. Gilmore, Melvin
R. 1991. Uses of Plants by the Indians of the Missouri River Region.
University of Nebraska Press. Lincoln, Nebraska, USA. 82p.
3. Johnson, James
R., and Gary E. Larson. 1999. Grassland Plants of South Dakota and the
Northern Great Plains: a field guide with photographs. South Dakota
State University, Brookings, South Dakota, USA
4. Kindscher, Kelly.
1987. Edible Wild Plants of the Prairie. University Press of Kansas.
Lawrence, KS, USA.
5. Larson, Gary
and James R. Johnson. 1999. Plants of the Black Hills and Bear Lodge
Mountains. South Dakota State University. Brookings, South Dakota, USA.
6. McGregor, Ronald,
L. 1986. Flora of the Great Plains. University Press of Kansas. Lawrence,
KS, USA. 74-75p.
7. Mielke, Judy.
1993. Native Plants for Southwestern Landscapes.