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Plant Guide

Gutierrezia sarothrae (Pursh) Britt. & Rusby
broom snakeweed
GUSA2

Summary

Duration

Perennial

Growth Habit

Subshrub, Shrub, Forb/herb

U.S. Nativity

Native to U.S.

Federal T/E Status

 

National Wetland Indicator

 

 

Morphology/Physiology

Active Growth Period

Spring and Summer

After Harvest Regrowth Rate

Slow

Bloat

None

C:N Ratio

High

Coppice Potential

No

Fall Conspicuous

No

Fire Resistant

No

Flower Color

Yellow

Flower Conspicuous

No

Foliage Color

Green

Foliage Porosity Summer

Porous

Foliage Porosity Winter

Porous

Foliage Texture

Coarse

Fruit/Seed Color

Brown

Fruit/Seed Conspicuous

Yes

Growth Form

Single Crown

Growth Rate

Moderate

Height at 20 Years, Maximum (feet)

 

Height, Mature (feet)

1.5

Known Allelopath

No

Leaf Retention

No

Lifespan

Moderate

Low Growing Grass

No

Nitrogen Fixation

 

Resprout Ability

No

Shape and Orientation

Erect

Toxicity

Slight

 

Growth Requirements

Adapted to Coarse Textured Soils

Yes

Adapted to Fine Textured Soils

Yes

Adapted to Medium Textured Soils

Yes

Anaerobic Tolerance

None

CaCO3 Tolerance

Medium

Cold Stratification Required

No

Drought Tolerance

High

Fertility Requirement

Low

Fire Tolerance

Medium

Frost Free Days, Minimum

140

Hedge Tolerance

None

Moisture Use

Medium

pH, Minimum

6

pH, Maximum

8

Planting Density per Acre, Minimum

 

Planting Density per Acre, Maximum

 

Precipitation, Minimum

7

Precipitation, Maximum

30

Root Depth, Minimum (inches)

16

Salinity Tolerance

Low

Shade Tolerance

Intolerant

Temperature, Minimum (°F)

-38

 

Reproduction

Bloom Period

Early Summer

Commercial Availability

Contracting Only

Fruit/Seed Abundance

Medium

Fruit/Seed Period Begin

Summer

Fruit/Seed Period End

Fall

Fruit/Seed Persistence

Yes

Propagated by Bare Root

No

Propagated by Bulb

No

Propagated by Container

No

Propagated by Corm

No

Propagated by Cuttings

No

Propagated by Seed

Yes

Propagated by Sod

No

Propagated by Sprigs

No

Propagated by Tubers

No

Seed per Pound

225000

Seed Spread Rate

Rapid

Seedling Vigor

Medium

Small Grain

No

Vegetative Spread Rate

None

 

Suitability/Use

Berry/Nut/Seed Product

No

Christmas Tree Product

No

Fodder Product

No

Fuelwood Product

None

Lumber Product

No

Naval Store Product

No

Nursery Stock Product

No

Palatable Browse Animal

Low

Palatable Graze Animal

Low

Palatable Human

No

Post Product

No

Protein Potential

Low

Pulpwood Product

No

Veneer Product

No

 

Kingdom  Plantae -- Plants

Subkingdom  Tracheobionta -- Vascular plants

Superdivision  Spermatophyta -- Seed plants

Division  Magnoliophyta -- Flowering plants

Class  Magnoliopsida -- Dicotyledons

Subclass  Asteridae

Order  Asterales

Family  Asteraceae -- Aster family

Genus  Gutierrezia Lag. -- snakeweed P

Species  Gutierrezia sarothrae (Pursh) Britt. & Rusby -- broom snakeweed P

 

Alternate Names

snakeweed

 

Uses

Ethnobotanic:  Broom snakeweed was used by numerous Native American tribes for a variety of reasons.  The Blackfoot use the roots of broom snakeweed in an herbal steam as a treatment for respiratory ailments.  The Dakota use a concentrate made from the flowers as a laxative for horses.  The Lakota took a decoction of the plant to treat colds, coughs, and dizziness.  The Navajo and Ramah Navaho rubbed the ashes of broom snakeweed on their bodies to treat headaches and dizziness.  They also chewed the plant and applied it to wounds, snakebites, and areas swollen by insect bites and stings.  The Comanche used the stems of broom snakeweed to make brooms for sweeping their residences.

 

Wildlife:

Broom snakeweed is utilized by some large ungulates including mule deer and pronghorn antelope.  Broom snakeweed can comprise up to 28% of the pronghorn diet.

 

Status

Please consult the PLANTS Web site and your State Department of Natural Resources for this plant’s current status (e.g. threatened or endangered species, state noxious status, and wetland indicator values).

 

Weediness

This plant may become weedy or invasive in some regions or habitats and may displace desirable vegetation if not properly managed. Please consult with your local NRCS Field Office, Cooperative Extension Service office, or state natural resource or agriculture department regarding its status and use.  Weed information is also available from the PLANTS Web site at plants.usda.gov.

 

Description

General: Sunflower Family (Asteraceae).  Broom snakeweed is a perennial subshrub that ranges from 2 to 10 dm in height.  It is native to the U.S.  The stems are bushy and branch upwards from the woody base.  The non-woody stems range from smooth to having some short hairs.  The stems may be resinous and therefore sticky when touched.  The leaves are alternate and range from linear to linear and threadlike in shape.  The leaves are from 5 to 60 mm long and 1 to 3 mm wide.  Dense clusters of flowers form at the ends of the stems.  There are 3 to 8 ray florets per cluster and 2 to 6 disk florets per cluster.  The flattened part of the ray corolla or ligule is yellow in color and 1 to 3 mm long.  The whorl of bracts that is found at the base of the flower cluster is 3 to 6 mm tall and 2 mm across.  The bracts are narrow and green in color at the apex and along the midnerve.  The achenes have a modified calyx consisting of 8 to 10 acute scales.  The acute scales of the ray achenes are about one-half as long as those of the disk achenes.

 

Distribution: For current distribution, please consult the Plant Profile page for this species on the PLANTS Web site.

 

Adaptation

Broom snakeweed is found in open, dry plains and upland sites.  Broom snakeweed is killed by fire.  Re-establishment occurs via wind dispersed seeds.  Broom snakeweed densities usually increase following fire, if the seeds in the seed bank are left undamaged by heat.

 

Establishment

Broom snakeweed flowers are pollinated by various insects.  Regeneration occurs primarily through wind dispersed seeds.  Most germination and seedling establishment occurs during the winter and spring.  Broom snakeweed seeds are dormant at maturity and require a 4 to 6 month after-ripening period prior to germination.  The most successful germination occurs  between 59 to 86 °F, at or near soil surface.  Broom snakeweed prefers full sun, well-drained soil, and low moisture.

 

Pests and Potential Problems

Grown in its native habitat and using local seed stock, broom snakeweed should not be prone to debilitating pests.

 
Cultivars, Improved, and Selected Materials (and area of origin)

These materials are readily available from commercial plant sources.  Contact your local Natural Resources Conservation Service (formerly Soil Conservation Service) office for more information.  Look in the phone book under ”United States Government.”  The Natural Resources Conservation Service will be listed under the subheading “Department of Agriculture.”

 

Control
Please contact your local agricultural extension specialist or county weed specialist to learn what works best in your area and how to use it safely.  Always read label and safety instructions for each control method. Trade names and control measures appear in this document only to provide specific information.  USDA, NRCS does not guarantee or warranty the products and control methods named, and other products may be equally effective.

 

References

Austin, D.D. & P.J. Urness 1983.  Overwinter forage selection by mule deer on seeded big sagebrush-grass range.  Journal of Wildlife Management 47(4): 1203-1207.

 

Carlson, G.G. & V.H. Jones 1940.  Some notes on uses of plants by the Comanche Indians.  Papers of the Michigan Academy of Science, Arts, and Letters 25:517-542.

 

City of Boulder, Colorado 2001.  Open spaces and mountain parks.

https://www.ci.boulder.co.us/openspace/nature/gardens/grow-tip.htm

 

Elmore, F.H. 1944.  Ethnobotany of the Navajo. University of New Mexico Press, Albuquerque, New Mexico. 136 pp.

 

Gilmore, M.R. 1913.  Some Native Nebraska plants with their uses by the Dakota.  Collections of the Nebraska State Historical Society 17:358-370.

 

Hocking, G.M. 1956.  Some plant materials used medicinally and otherwise by the Navaho Indians in the Chaco Canyon, New Mexico.  El Palacio 56:146-165.

 

Johnston, A. 1987.  Plants and the Blackfoot.  Lethbridge Historical Society, Lethbridge, Alberta. 68pp.

 

Martin, S.C. 1975.  Ecology and management of southwestern semidesert grass-shrub ranges: the status of our knowledge.  RM-156.  USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, Ft. Collins, Colorado. 39 pp.

 

Moerman, D.E. 1998.  Native American ethnobotany. Timber press, Portland, Oregon. 927 pp.

 

Moerman, D.E. 1999.  Native American ethnobotany database: Foods, drugs, dyes and fibers of native North American peoples.  The University of Michigan-Dearborn. https://www.umd.umich.edu/cgi-bin/herb.

 

Smith, A.D. & D.M. Beale 1980.  Pronghorn antelope in Utah: some research and observations. Publication No. 80-13.  Utah Division of Wildlife Resources, Salt Lake City, Utah. 88 pp.

 

United States Department of Agriculture, Forest Service 2001.  Fire effects information system.  Rocky Mountain Research Station, Fire Sciences Laboratory, Boise, Idaho. 

https://www.fs.fed.us/database/feis/plants/shrub/gutsar/index.html

 

Vestal, P.A. 1952. The ethnobotany of the Ramah Navaho. Papers of the Peabody Museum of American Archaeology and Ethnology 40:1-95.

 

Prepared By:
Matthew D. Hurteau
Formerly USDA, NRCS, National Plant Data Center, c/o Environmental Horticulture Department, University of California, Davis, California
 
Species Coordinator:
M. Kat Anderson
USDA, NRCS, National Plant Data Center, c/o Plant Science Department, University of California, Davis, California
 
Edited: 30May2002 jsp ; 19may03 ahv; 07jun06 jsp

 

For more information about this and other plants, please contact your local NRCS field office or Conservation District, and visit the PLANTS Web site<https://plants.usda.gov> or the Plant Materials Program Web site <https://Plant-Materials.nrcs.usda.gov>


 

 

 

Attribution:  U.S. Department of Agriculture 

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