Ericameria paniculata

{{Short description|Species of flowering plant}} {{Speciesbox |image = Ericameria paniculata 2.jpg |status = G5 |status_system = TNC |status_ref = |genus = Ericameria |species = paniculata |authority = (A.Gray) Rydb. |synonyms_ref = <ref>[http://www.theplantlist.org/tpl1.1/record/gcc-35973 The Plant List, ''Ericameria paniculata'' (A.Gray) A.Gray ex Rydb. ]</ref> |synonyms = *''Aster asae'' Kuntze *''Bigelowia paniculata'' A.Gray *''Bigelovia paniculata'' A.Gray<ref>[http://www.tropicos.org/Name/50086705 Tropicos, ''Bigelowia paniculata'' A. Gray]</ref><ref>[https://www.biodiversitylibrary.org/page/3071507#page/646/mode/1up Gray, Asa. 1873. ''Bigelovia''. Proceedings of the American Academy of Arts and Sciences 8:638- 646] descriptions in Latin, commentary in English</ref> *''Chrysoma paniculata'' (A.Gray) Greene *''Chrysothamnus paniculatus'' (A.Gray) H.M.Hall }} thumb

'''''Ericameria paniculata''''' (formerly ''Chrysothamnus paniculatus'')<ref>Mojave Desert Wildflowers, Pam MacKay, 2nd Ed. 2013, p. 314</ref> is a species of flowering plant in the sunflower family Asteraceae, native to the southwestern United States. It is an evergreen yellow-flowered desert shrub.

It is known by several common names, including '''black-banded rabbitbrush''', '''Mojave rabbitbrush''',<ref>{{PLANTS|id=ERPA29|taxon=Ericameria paniculata|accessdate=18 May 2015}}</ref> and '''punctate rabbitbrush'''.<ref name=fna/><ref name=MDW>Mojave Desert Wildflowers, Pam MacKay, 2nd Ed. 2013, p. 199</ref> The stems often have black, gummy bands.<ref name=MDW/>

==Description== ''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 smut fungus ''Puccinia splendens''.<ref>{{cite web | url = https://www.birdandhike.com/Veg/Species/Shrubs/Ericam_pan/_Eri_pan.htm | title = Mohave rabbitbrush | publisher = Bird and Hike | accessdate = 10 October 2019}}</ref> The glandular leaves are filiform (thread-shaped or narrowly oblanceolate) up to 3.5 centimeters (1.4 inches) in length.<ref name=fna/>

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.<ref name=feis/><ref name=fna>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066531 ''Ericameria paniculata'', Mojave or punctate rabbitbrush] Flora of North America.</ref><ref name=jeps>[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?609,931,946 ''Chrysothamnus paniculatus''.] Jepson Manual Treatment.</ref>

It flowers from June to December.<ref name=MDW/>

==Range and habitat== ''Ericameria paniculata'' is native to the deserts of Arizona, Nevada, southern California, southwestern Utah. It is particularly common in the Mojave Desert.<ref name=feis>Tesky, Julie L. 1993. [http://www.fs.fed.us/database/feis/plants/shrub/chrpan/all.html ''Chrysothamnus paniculatus''.] In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.</ref><ref>[http://bonap.net/MapGallery/County/Ericameria%20paniculata.png Biota of North America Program 2014 county distribution map]</ref><ref>[http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=9502 Calflora taxon report, University of California, ''Ericameria paniculata'' (A. Gray) Rydb., Mojave rabbitbrush ]</ref>

It is found in a great variety of habitats, including disturbed areas such as roadsides. It tolerates poor soils. Its companions may include ''Larrea tridentata'' (creosote), ''Yucca brevifolia'' (Joshua tree), ''Baccharis'', ''Hymenoclea salsola'' (white burrobush), ''Atriplex polycarpa'' (desert saltbush), and ''Acacia greggii'' (catclaw acacia).<ref name=feis/><ref name=fna/>

==References== {{Reflist}}

==External links== *{{Commons-inline}} *[http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Ericameria+paniculata CalPhotos Photo Gallery, University of California] *[https://archive.today/20130415133720/http://www.natureserve.org/explorer/servlet/NatureServe?searchName=Ericameria+paniculata The Nature Conservancy] *[https://plants.usda.gov/java/profile?symbol=ERPA29 United States Department of Agriculture Plants Profile]

paniculata Category:Flora of the Southwestern United States Category:Plants described in 1873 Category:Taxa named by Asa Gray