Chrysothamnus viscidiflorus
(Green Rubber Rabbit-brush )
[(Hook.) Hall]

Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Family Description: Aster (Sunflower)

Key Characteristics:
One meter high or less shrub with glabrous, brittle twigs; no ray flowers; flowers in the fall
leaves
flowers
fruit
  • disc corollas only, 4.5-7 mm long
  • in heads in compact terminal cymose clusters
  • involucres 5-8 mm high; composed of about 15 bracts
  • flowers in the fall
  • achenes terminated by the pappus which aids in wind distribution

General Description:
This fall-blooming, up to 4 foot tall shrub is also found in undisturbed sage brush sites. It differs from Gray Rabbit-brush by having flat, twisted leaves. Its flowers are in small, yellow heads which are followed by feathery-appearing heads caused by the capillary pappus.

Distribution:
Southern British Columbia to California east of the Cascades to North Dakota and south to New Mexico.

Habitat:
Dry, open places in valleys, plains, and foothills up to moderate elevations in the mountains.

Other:
Usually found in less disturbed areas than Gray Rabbit-brush with sagebrush, increases with grazing.
A yellow dye can be made from the flowers and leaves.

Important State References:
No information available at this time
Photos and Information written by Dr. Karl E. Holte,© 2002