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shrubland beggarticks
Scientific Name: Bidens sandvicensis ssp. sandvicensis
Family: Asteraceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Perennial
Other Names:
Bidens sandvicensis: Shrubland Beggarticks
Bidens sandvicensis, commonly known as Shrubland Beggarticks, is a plant belonging to the genus Bidens.
Other common names for plants in the Bidens genus include beggarticks, black jack, burr marigolds, cobbler's pegs, Spanish needles, and stickseeds.
Taxonomy and Nomenclature
- Scientific Name: Bidens sandvicensis Less.
- Family: Asteraceae (Sunflower family)
- Rank: Species
- Synonyms/Subspecies:
- Bidens sandvicensis ssp. sandvicensis
- Bidens sandvicensis ssp. confusa Nagata & Ganders
Distribution and Habitat
- Endemic to the Hawaiian Islands.
- Specifically found on Kaua?i and O?ahu.
- The species pictured is found in open shrubland and old lava flows only on the Big Island in three disjunct areas: Kohala, Puna, and Kilauea.
- Prefers dry to moist shrublands on exposed cliffs near the coast.
Morphological Characteristics
- Classified as a subshrub forb/herb.
- Perennial in duration.
Interactions with Other Organisms
- Several Bidens species are useful as honey plants, attracting pollinators.
- Smooth Beggarticks (Bidens laevis) are known to be pollinated by dagger flies and bombyliid flies.
- Bidens mottle virus was first isolated from Hairy Beggarticks and infects a wide range of plants.
Further Information
- Discover Life offers a page about the biology, natural history, ecology, identification, and distribution of Bidens sandvicensis.
- The British Database of World Flora and Fauna has taxonomic information about Bidens sandvicensis ssp. confusa.
- Garden Guides provides plant information, identification information, and information on uses.