Asteraceae

Coastal ragweed

Ambrosia hispida Pursh

Family: Asteraceae
Genus: Ambrosia

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Coastal ragweed (Ambrosia hispida) — FlowerPhoto: Juan Carlos A. Fierro, CC BY-SA 4.0, from iNaturalist

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Common names

By language (3)

Arabic: دمسيسة خشنة الأوبار
Chinese: 滨海豚草, 濱海豚草
English: Coastal ragweed

Flowers

In flower: February, June, August (from 12 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb, Subshrub
Lifespan: Perennial
In the US and Canada: Lower 48 states: native, Puerto Rico: native, U.S. Virgin Islands: native

Photos

FlowerPhoto: Juan Carlos A. Fierro, CC BY-SA 4.0, from iNaturalist
LeavesPhoto: Kate Manning, CC0, from iNaturalist
Photo: Josiah Londerée, CC BY 4.0, from iNaturalist
Photo: Peter Burka, CC BY-SA 4.0, from iNaturalist
Photo: Brian Oakes Haiti Hunter, CC BY 4.0, from iNaturalist
Photo: Mario Guzmán, CC BY 4.0, from iNaturalist
Photo: Jared Shorma, CC BY 4.0, from iNaturalist
Photo: W. Terry Hunefeld, CC BY 4.0, from iNaturalist
Photo: Liam Steele, CC BY 4.0, from iNaturalist
Photo: Robert Webster, CC BY-SA 4.0, from iNaturalist
Photo: Juan Cruzado Cortés, CC BY-SA 4.0, from iNaturalist
Photo: W. Terry Hunefeld, CC BY 4.0, from iNaturalist

More in Ambrosia

Sources: classification 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.