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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Bidens amplectens

Bidens amplectens Sherff

Kokolau, Beggarticks

Asteraceae (Aster Family)

Synonym(s): Bidens gracilis, Bidens halawana

USDA Symbol: BIAM3

USDA Native Status: HI (N)


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Plant Characteristics

Duration: Annual , Perennial
Habit: Herb , Subshrub
Size Notes: Up to about 4 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: Jan , Feb , Sep , Oct , Nov , Dec



U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: Q3HE
Status: Endangered
Historic Range: U.S.A. (HI)
Critical Habitat: 17.96(a)
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.


Bibref 1790 - Hawaiian Plant Life - Vegetation and Flora (2014) Gustafson, Robert J.; Derral R. Herbst; Philip W. ...

Search More Titles in Bibliography

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Bidens amplectens in USDA Plants
FNA: Find Bidens amplectens in the Flora of North America (if available)
Google: Search Google for Bidens amplectens


Record Modified: 2018-12-11
Research By: CBR

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