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Bidens aristosa (Michx.) Britton
Bearded Beggarticks, Tickseed Sunflower
Asteraceae (Aster Family)
Synonym(s): Bidens aristosa var. fritcheyi, Bidens aristosa var. mutica, Bidens aristosa var. retrorsa, Bidens involucrata, Bidens polylepis, Bidens polylepis var. retrorsa
USDA Symbol: biar
USDA Native Status: L48 (N), CAN (I)
Slender, leafy, much-branched stems bearing several yellow, daisy-like flower heads.
The prickly fruit of Bidens species are known as beggars'-ticks, the very common, 2-pronged "stickers" that cling to one's clothing during autumn walks. They can be removed easily with the flat edge of a knife blade.
From the Image Gallery
Plant CharacteristicsDuration: Annual
Size Notes: Up to about 5 feet tall. Often much shorter.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep , Oct , Nov
DistributionUSA: AL , AR , CO , CT , DC , DE , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , NE , NH , NJ , NY , OH , OK , PA , SC , TN , TX , VA , WI , WV
Native Distribution: Ontario; New England south to Georgia, west to Texas, and north to Nebraska, Iowa, and Minnesota.
Native Habitat: Wet meadows, roadside ditches, abandoned fields, and low ground.
Growing ConditionsWater Use: High
Light Requirement: Part Shade
CaCO3 Tolerance: Medium
BenefitConspicuous Flowers: yes
Value to Beneficial InsectsSpecial Value to Native Bees
Supports Conservation Biological Control
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Find Seed or Plants
View propagation protocol from Native Plants Network.
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Brackenridge Field Laboratory - Austin, TX
Crosby Arboretum - Picayune, MS
Natural Biodiversity - Johnstown, PA
BibliographyBibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.
Search More Titles in Bibliography
Additional resourcesUSDA: Find Bidens aristosa in USDA Plants
FNA: Find Bidens aristosa in the Flora of North America (if available)
Google: Search Google for Bidens aristosa
MetadataRecord Modified: 2021-07-23
Research By: TWC Staff