Coastal Ragweed

Names and Synonyms

Common Names

• Coastal Ragweed

Scientific Names

Accepted name

Synonyms

• Ambrosia crithmifolia

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Ambrosia hispidula, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Asterales. Finally, it is a member of the family Asteraceae and falls under the genus Ambrosia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed throughout the Southeastern United States, with a notable presence in Florida. Its range extends southward into Mexico, specifically inhabiting the Gulf region and the southeastern portions of the country. Moving into Central America, the species can be found within the borders of Belize. Additionally, its geographical reach includes the territory of Honduras. Together, these areas define the natural habitat where this medicinal plant thrives.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Ambrosia hispida is characterized by its classification as a perennial species, although its growth patterns can exhibit variable tendencies depending on environmental conditions. As a perennial, the plant maintains a long-term presence in its habitat, often utilizing underground structures to persist through unfavorable seasons. While it can function across different temporal scales—ranging from annual or biennial cycles under specific stress or resource limitations—its fundamental biological strategy is centered on a multi-year lifespan. This lifecycle allows the plant to establish robust root systems that support repeated reproductive efforts, enabling it to colonize disturbed sites and maintain stability within its ecological niche over successive growing seasons.

Lifecycle :

perennial

Morphology

The morphology of Ambrosia hispida is characterized by its growth form as a self-supporting herb and forb, which lacks any climbing or liana-like tendencies. It functions as an independent organism, neither acting as a parasite nor as an epiphyte, maintaining a primarily terrestrial existence across its habitat. Regarding its structural composition, the plant exhibits variable woodiness, ranging from non-woody to more substantial textures depending on environmental conditions and developmental stages.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Woodiness :

variable

Reproduction

The reproduction of Ambrosia hispidula involves complex dispersal mechanisms that utilize multiple vectors to ensure the spread of its progeny. The plant exhibits a diverse dispersal syndrome, characterized primarily as being zoochorous, though its methods are multifaceted and include anemochorous, autochorous, hydrochorous, and unspecialized strategies. Specifically, it employs an epizoochorous dispersal syndrome, where seeds or reproductive structures are transported externally by animals, alongside other modes such as anthropochorous, endozoochorous, myrmecocorous, and unspecialized dispersal. This combination of strategies allows the species to navigate various environmental landscapes by leveraging wind, water, animal movement, and human activity to facilitate effective colonization.

Dispersal syndrome :

zoochorous

Dispersal syndrome :

epizoochorous

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Ambrosia hispida has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. BMC complementary and alternative medicine

Chemicals

Ambrosia hispida has 9 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Ambrosin, Anhydrocoronopilin, Damsin, Damsinic acid, Flavonoids.

Ambrosin

1. Dr. Duke
2. Journal of ethnopharmacology

Anhydrocoronopilin

1. Dr. Duke

Damsin

1. Dr. Duke

Damsinic acid

1. Dr. Duke

Flavonoids

1. Journal of infection in developing countries

Hispidulin

1. Dr. Duke

Pedalitin

1. Dr. Duke

STIGMASTEROL

1. Dr. Duke

ent-Kaur-16-en-19-oic acid

1. Dr. Duke

Activities

Ambrosia hispida has 22 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Allergenic, Antiaggregant, Antidiabetic, Antihepatotoxic.

Antioxidant

1. Dr. Duke
2. Tissue & cell

Allergenic

1. Dr. Duke

Antiaggregant

1. Dr. Duke

Antidiabetic

1. BMC complementary and alternative medicine

Antihepatotoxic

1. Dr. Duke

Antiinflammatory

1. Dr. Duke

Antinociceptive

1. Dr. Duke

Antiophidic

1. Dr. Duke

Antiperoxidant

1. Dr. Duke

Antiradicular

1. Dr. Duke

Preparations