Bidens alba (L.) DC.
Common Beggarticks, Shepherd's Needles, Spanish Needles, Butterfly Needles, Hairy Beggarticks, Romerillo
Asteraceae (Aster Family)
USDA Symbol: bial
Common Beggarticks is a member of the aster family (family Asteraceae), which includes herbs, sometimes shrubs or vines, rarely trees, with simple or compound, alternate or opposite leaves. Flowers small, but organized into larger heads resembling a single, radially symmetrical flower cupped by a ring of green bracts. Flower-like heads: tiny, radially symmetrical central flowers form the disc; larger flowers around the edge, the rays, strap-shaped and resembling petals; however, all flowers in one head may be disc flowers or rays.
From the Image Gallery
Plant CharacteristicsDuration: Annual
Size Notes: Up to about 8 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: White , Yellow
Bloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec
DistributionUSA: AL , CT , FL , GA , HI , LA , MO , PA
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Butterflies and Moths of North America (BAMONA)
Florida Duskywing |
Learn more at BAMONA
Adult Food Source
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Natural Biodiversity - Johnstown, PA
Wildflower Center Seed BankLBJWC-1295 Collected 2009-05-28 in Harris County by Lady Bird Johnson Wildflower Center
BibliographyBibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright
Search More Titles in Bibliography
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Bidens alba in USDA Plants
FNA: Find Bidens alba in the Flora of North America (if available)
Google: Search Google for Bidens alba
MetadataRecord Modified: 2023-01-02
Research By: TWC Staff