Chrysothamnus nauseosus (Pallas ex Pursh) Britt. ssp. nauseosus

  • Family: Asteraceae (aster, daisy, sunflower, etc.)
  • Common name: rubber rabbit brush
  • Synonym: C. graveolens

    Shrub to 2 m (6 ft) tall. Twigs covered with a dense greenish or whitish felty tomentum which is often saturated with resin. Leaves alternate, sessile, entire, linear or linear-lanceolate, glabrous to tomentose, 2-6 cm (0.8-2.4 in) long and about 2 mm (0.08 in) wide. Flower heads small, numerous in terminal clusters. Florets five per head, yellow, corolla 7-9 mm (0.3-0.4 in) long. Achenes hairy, 5-angled, about 5 mm (0.2 in) long, with a pappus of numerous fine bristles.

    Distribution: If all subspecies are included, this species is found over most of the U. S. west of the 100th meridian.
    Habitat: Open hills, high plains, mountain valleys.
    NWI status: none
    Comment: The stems contain a small amount of rubber, but not enough to be commercially important. Chrysothamnus is from a Greek phrase meaning golden shrub, and refers to the numerous golden-yellow flowers; nauseoseus refers to the unpleasant odor of the foliage.

    Distribution in Oklahoma:

    Last update: 9/9/99
    Go to Oklahoma Biological Survey Home Page