Asteraceae
Singlewhorl burrobrush
Ambrosia monogyra
- Family
- Asteraceae
- Genus
- Ambrosia
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Common names
By language (1)
- English
- Singlewhorl burrobrush
Synonyms
- Hymenoclea monogyra Torr. & A.Gray
Flowers
- In flower
- October to November (from 21 flowering iNaturalist observations worldwide)
Photos

FlowerPhoto: Madeleine Claire, CC BY 4.0, from iNaturalist 
FlowerPhoto: Sue Carnahan, CC BY 4.0, from iNaturalist 
FlowerPhoto: Alex Abair, CC BY 4.0, from iNaturalist 
FlowerPhoto: Alex Abair, CC BY 4.0, from iNaturalist 
Photo: Rose Zappa, CC BY 4.0, from iNaturalist 
Photo: Dick Culbert from Gibsons, B.C., Canada, CC BY 2.0, from Wikimedia Commons 
Photo: als93, CC BY 4.0, from iNaturalist 
Photo: Billy Aguirre, CC0, from Wikimedia Commons 
Photo: CK2AZ, CC BY 4.0, from iNaturalist 
Photo: Billy Aguirre, CC0, from Wikimedia Commons 
Photo: MarvalPhotography19, CC BY 4.0, from iNaturalist 
Photo: Dan Horowitz, CC0, from Wikimedia Commons
More in Ambrosia
- Annual ragweedAmbrosia artemisiifoliaAsteraceae
- 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
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). About our plant data.