Asteraceae
Annual ragweed
Ambrosia artemisiifolia
- Family
- Asteraceae
- Genus
- Ambrosia
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Common names
By language (36)
- arz
- امبروسيا ارتيميسيفوليا
- Azerbaijani
- Yovşanyarpaq ambroziya
- Belarusian
- Амброзія палыналістая
- Bosnian
- Ambrozija
- Chinese
- 豚草, 豬草, 瘤果菊, 豕草, 普通豚草, 美洲艾, 艾叶破布草
- chy
- Mo'ôhtáevánó'êstse
- Croatian
- Ambrozija
- Czech
- Ambrozie peřenolistá, Ambrozie pelyňkolistá
- Danish
- Bynke-Ambrosie
- Dutch
- Alsemambrosia
- English
- Annual ragweed, Roman wormwood, Common ragweed, Low ragweed
- Estonian
- Pujulehine ambroosia
- Finnish
- Marunatuoksukki
- French
- Petite herbe à poux
- Georgian
- Ავშანფოთლიანი ამბროზია
- German
- Beifußblättriges Traubenkraut, Beifuß-Ambrosie
- Hungarian
- Ürömlevelű parlagfű, Parlagfű
- Japanese
- ブタクサ
- Korean
- 돼지풀
- Latvian
- Vērmeļlapu ambrozija
- Macedonian
- Амброзија
- Norwegian Bokmål
- Beskambrosia, Bitterambrosia
- os
- Скъæлзойсыфджын амбрози
- Polish
- Ambrozja bylicolistna
- Romanian
- Ambrozie
- rsk
- Амброзия
- Russian
- Амброзия полыннолистная
- Serbian
- Амброзија
- Serbian (Latin)
- Ambrozija
- Slovak
- Ambrózia palinolistá
- Slovenian
- Pelinolistna žvrklja, Ambrozija, Navadna ambrozija, Pelinolistna ambrozija
- Spanish
- Altamisa, Amargosa, Ambrosia, Artemisia, Cola de zorra, Estafiate, Hierba amarga, Hierba amargosa
- Swedish
- Malörtsambrosia
- Ukrainian
- Амброзія полинолиста
- Welsh
- Bratlys
- Western Frisian
- Alsemambrosia
Synonyms
- Ambrosia artemisiifolia f. artemisiifolia
- Ambrosia artemisiifolia subsp. artemisiifolia
- Ambrosia artemisiifolia subsp. diversifolia Piper
- Ambrosia artemisiifolia var. artemisiifolia
- Ambrosia artemisiifolia var. diversifolia Piper
- Ambrosia artemisiifolia var. elatior (L.) Descourt.
- Ambrosia artemisiifolia var. jamaicensis Griseb.
- Ambrosia chilensis Hook. & Arn.
- Ambrosia elata Salisb.
- Ambrosia elatior L.
- Ambrosia elatior var. elatior
- Ambrosia glandulosa Scheele
- Ambrosia monophylla (Walter) Rydb.
- Ambrosia paniculata Michx.
- Ambrosia paniculata f. paniculata
- Ambrosia paniculata var. paniculata
- Ambrosia peruviana Cabrera
- Iva monophylla Walter
Flowers
- In flower
- August to September (from 1,239 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Canada: native, Hawaii: introduced, Lower 48 states: introduced, Lower 48 states: native
Photos
FlowerPhoto: Repina Tatyana, CC BY 4.0, from iNaturalist 
FlowerPhoto: Nick Kleinschmidt, CC BY 4.0, from iNaturalist 
FlowerPhoto: Martin Hannan-Jones, CC BY 4.0, from iNaturalist 
FlowerPhoto: Chris, CC BY-SA 4.0, from iNaturalist 
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons 
Photo: magpray, CC0, from iNaturalist 
Photo: Gerhard Doerries, CC BY-SA 3.0, from Wikimedia Commons 
Photo: dinomariobob, CC0, from iNaturalist 
Photo: Fritzflohrreynolds, CC BY-SA 3.0, from Wikimedia Commons 
Photo: u101125, CC BY 4.0, from iNaturalist 
Photo: R. A. Nonenmacher, CC BY-SA 4.0, from Wikimedia Commons 
Photo: omaschildkamp55, CC BY 4.0, from iNaturalist
More in Ambrosia
- Cuman ragweedAmbrosia psilostachyaAsteraceae
- Great ragweedAmbrosia trifidaAsteraceae
- Peruvian ragweedAmbrosia peruvianaAsteraceae
- BurrobushAmbrosia dumosaAsteraceae
- Flatspine bur ragweedAmbrosia acanthicarpaAsteraceae
- Ambrosia-leaf bursageAmbrosia ambrosioidesAsteraceae
- Weakleaf bur ragweedAmbrosia confertifloraAsteraceae
- Ambrosia arborescensAsteraceae
- Silver bur ragweedAmbrosia chamissonisAsteraceae
- Tucson bur ragweedAmbrosia cordifoliaAsteraceae
- Triangle bur ragweedAmbrosia deltoideaAsteraceae
- Dwarf bur ragweedAmbrosia pumilaAsteraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.