Ericameria paniculata

Ericameria paniculata

Secure  (NatureServe)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Ericameria
Species: E. paniculata
Binomial name
Ericameria paniculata
(A.Gray) Rydb.
Synonyms[1]
  • Aster asae Kuntze
  • Bigelowia paniculata A.Gray
  • Bigelovia paniculata A.Gray[2][3]
  • Chrysoma paniculata (A.Gray) Greene
  • Chrysothamnus paniculatus (A.Gray) H.M.Hall

Ericameria paniculata (formerly Chrysothamnus paniculatus)[4] is a southwestern United States desert perennial shrub in the (sunflower family.

Ericameria paniculata is known by the common names black-banded rabbitbrush, desert rabbitbrush, Mojave rabbitbrush,[5] catclaw rabbitbrush, sticky rabbitbrush, and punctate rabbitbrush.[6][7] The stems often have black, gummy bands.[7]

Range and habitat

Ericameria paniculata is native to the deserts of the southwestern United States (Arizona, Nevada, southern California, southwestern Utah. It is particular common in the Mojave Desert.[8][9][10]

Ericameria paniculata is found in a great variety of habitats, including disturbed areas such as roadsides. It tolerates poor soils. It may be found alongside creosote, Joshua tree, baccharis, white burrobush, desert saltbush, and catclaw acacia.[8][6]

Growth pattern

Ericameria paniculata is a branching shrub reaching up to 2 meters (80 inches) tall. The spreading or erect stems are glandular and resinous and are often banded or splotched with black from a fungus.[6]

Stems and leaves

The glandular leaves are filiform (thread-shaped or narrowly oblanceolate) up to 3.5 centimeters (1.4 inches) in length.[6]

Flowers and fruit

The inflorescence is an array of small, yellow flower heads, each of which contains 5 to 8 disc florets but no ray florets. The fruit is up to a centimeter (0.4 inches) long including its long pappus. They are wind-dispersed.[8][6][11]

It flowers from June to December.[7]

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References

  1. ↑ The Plant List, Ericameria paniculata (A.Gray) A.Gray ex Rydb.
  2. ↑ Tropicos, Bigelowia paniculata A. Gray
  3. ↑ Gray, Asa. 1873. Bigelovia. Proceedings of the American Academy of Arts and Sciences 8:638- 646 descriptions in Latin, commentary in English
  4. ↑ Mojave Desert Wildflowers,Pam MacKay, 2nd Ed. 2013, p. 314
  5. ↑ "Ericameria paniculata". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 18 May 2015.
  6. 1 2 3 4 5 Ericameria paniculata, Mojave or punctate rabbitbrush Flora of North America.
  7. 1 2 3 Mojave Desert Wildflowers, Pam MacKay, 2nd Ed. 2013, p. 199
  8. 1 2 3 Tesky, Julie L. 1993. Chrysothamnus paniculatus. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.
  9. ↑ Biota of North America Program 2014 county distribution map
  10. ↑ Calflora taxon report, University of California, Ericameria paniculata (A. Gray) Rydb., Mojave rabbitbrush
  11. ↑ Chrysothamnus paniculatus. Jepson Manual Treatment.
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