Coastal Ragweed vs Common gorse

Ambrosia hispida compared with Ulex europaeus

Taxonomic Classification

Rank	Coastal Ragweed	Common gorse
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Asterales (Daisies & Sunflowers)	Fabales (Legumes & Allies)
Family	Asteraceae (Daisy Family)	Fabaceae
Genus	Ambrosia	Ulex
Species	Ambrosia hispida	Ulex europaeus

Evolutionary Relationship

Coastal Ragweed and Common gorse share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Coastal Ragweed

LC — Least Concern

Common gorse

LC — Least Concern

Physical Characteristics

Attribute	Coastal Ragweed	Common gorse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Coastal Ragweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Cuba.

Common gorse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (4 countries), Asia (8 countries), Europe (15 countries), North America (6 countries), Oceania and the Pacific (Australia, New Zealand), and South America (8 countries).

Coastal Ragweed

Coastal ragweed (Ambrosia hispida) is a perennial herb in the family Asteraceae, native to the coastal dunes, sandy beaches, and cays of Cuba, the Bahamas, and the wider Caribbean region. It grows in pioneer beach and dune vegetation, often forming spreading colonies that help stabilise loose coastal sands. Like other members of the genus Ambrosia, it bears inconspicuous greenish-white flowers arranged in racemes; male flower heads produce wind-dispersed pollen that can trigger allergic rhinitis in sensitive individuals. The deeply lobed, hispid leaves are adapted to reflect intense solar radiation and tolerate salt spray. Coastal ragweed plays an ecological role in early dune succession, binding sand and enabling other plant species to establish. The genus is widespread globally, with several Ambrosia species considered noxious weeds in agricultural settings, though Ambrosia hispida is restricted to its native Caribbean coastal range. The IUCN assesses it as Least Concern, reflecting adequate population size across its Caribbean coastal distribution. Pressure from coastal development and tourism infrastructure poses a localised threat to dune communities it inhabits.

Common gorse

<em>Ulex europaeus</em>, commonly known as common gorse, is a spiny evergreen shrub belonging to the genus Ulex within the legume family Fabaceae. The species occupies a remarkable breadth of habitat types, including tropical and subtropical moist broadleaf forests, dry broadleaf forests, and deserts and xeric shrublands, among at least eight recognized biome categories. Its global range is exceptionally wide, spanning Africa, Asia, Europe, North America, Oceania, and South America, with records from numerous countries on each continent. Notably introduced and sometimes invasive outside its European origin, common gorse typically colonizes disturbed lands, heathlands, and coastal scrub. The species is assessed as Least Concern on the IUCN Red List. Biological traits of this species remain poorly documented in the scientific literature.