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{{Short description|Species of flowering plant}}
{{Speciesbox
|image = Dysphania pumilio 2.JPG
|genus = Dysphania (plant)
|species = pumilio
|authority = ([[Robert Brown (botanist, born 1773)|R.Br.]]) [[Sergei Mosyakin|Mosyakin]] & [[Steven Earl Clemants|Clemants]]
|synonyms_ref=<ref name=plantnet/>
|synonyms = ''Chenopodium pumilio'' R.Br. 
''Ambrina pumilio'' {{small|(R.Br.) Moq.}} 
''Blitum pumilio'' {{small|(R.Br.) Steud.}} 
''Blitum pumilio'' {{small|(R.Br.) Moq.}} 
''Teloxys pumilio'' {{small|(R.Br.) W.A.Weber}}
}}

'''''Dysphania pumilio''''' (common names - '''small crumbweed''',<ref name=plantnet>{{Cite web |last=S.W.L. Jacobs, Flora of NSW 1 |date=1990 |title=Dysphania pumilio (R.Br.) Mosyakin & Clemants |url=https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Dysphania~pumilio |access-date=2025-03-16 |website=PlantNET: New South Wales Flora Online |publisher=Royal Botanic Garden, Sydney}}</ref> '''clammy goosefoot''')<ref>{{Cite web |title=USDA Plants Database: ''Dysphania pumilio'' |url=https://plants.usda.gov/plant-profile/DYPU |access-date=2025-03-16 |website=plants.usda.gov}}</ref> is a species of flowering plant in the family [[Chenopodioideae]].

It is native to [[Australia]], but it is found in other parts of the world as an [[introduced species]], often growing in disturbed and waste areas such as roadsides and lots. It is known from many parts of North America and Europe, and it was recently found in [[Iran]] for the first time, in the [[Māzandarān Province]].<ref name=iran>Rahiminejad, M. R., et al. (2004). [http://www.bgbm.org/willdenowia/w-pdf/w34-1Rahiminejad+al.pdf ''Chenopodium pumilio'' (Chenopodiaceae) new to the flora of Iran] {{Webarchive|url=https://web.archive.org/web/20110615224636/http://www.bgbm.org/willdenowia/w-pdf/w34-1Rahiminejad+al.pdf |date=2011-06-15 }}. ''Willdenowia'' 34:183-6.</ref> It is thought to have first arrived in Europe with imports of [[wool]] from Australia.<ref name=iran/>

== Taxonomy ==
It was first described in 1810 as ''Chenopodium pumilio'' by [[Robert Brown (botanist, born 1773)|Robert Brown]].<ref name=APNIDysphania>{{APNI2|name=''Dysphania pumilio"|id=198732|access-date=2025-03-17}}</ref><ref>{{APNI2|name=''Chenopodium pumilio'' R.Br|id=64411|access-date=2025-03-17}}</ref><ref name=brown>{{cite Q|Q7247677|pages=407|url=https://www.biodiversitylibrary.org/page/36315684}}</ref> It has been ascribed to many genera, but received its current name of ''Dysphania pumilio'' in 2002.<ref name=APNIDysphania/><ref name=mosyakin>{{cite journal|author=Mosyakin, S.L. & Clemants, S.E. |date=2002 |journal=Ukrainian Botanical Journal|volume= 59|issue=4|pages= 382|title=New nomenclatural combinations in Dysphania R. Br.(Chenopodiaceae): taxa occurring in North America|url=https://www.academia.edu/18337375/New_nomenclatural_combinations_in_Dysphania_R_Br_Chenopodiaceae_Taxa_occurring_in_North_America}}</ref>

== Description ==
This is an aromatic annual herb growing erect, with sticky, glandular stems up to about 25 centimeters tall. The leaves are alternately arranged, up to 2 centimeters long, lance-shaped to oval and edged with bumpy lobes. The surface of the leaf is coated in white sticky glands and sparse hairs. The [[inflorescence]] is a spherical cluster of densely packed tiny green flowers located in the leaf axils. Each flower is pebbly with glands and covers the developing fruit.{{Citation needed|date=March 2025}}

==References==
{{Reflist}}

==External links==
{{Commons category|Dysphania pumilio}}
*[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?3084,3147,3170 Jepson Manual Treatment]
*[https://plants.usda.gov/java/profile?symbol=CHPU USDA Plants Profile]
*[http://www.missouriplants.com/Greenalt/Chenopodium_pumilio_page.html Flora of Missouri photos] {{Webarchive|url=https://web.archive.org/web/20120512044913/http://missouriplants.com/Greenalt/Chenopodium_pumilio_page.html |date=2012-05-12 }}
*[https://www.gbif.org/species/5568339 ''Dysphania pumilio'': Images & occurrence data] from [[Global Biodiversity Information Facility|GBIF]] (showing its now world wide distribution)

{{Taxonbar|from=Q615022}}

[[Category:Dysphania (plant)|pumilio]]
[[Category:Flora of New Jersey]]
[[Category:Flora without expected TNC conservation status]]
[[Category:Plants described in 1810]]
[[Category:Flora of New South Wales]]

{{Amaranthaceae-stub}}

Dysphania pumilio - Revision history

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