Summary ⁶

Bidens cernua (nodding beggarticks) is an annual flowering plant in the aster family known throughout North America and Eurasia. It also goes by the common name nodding bur-marigold. The flowering heads are unique in their orientation upon seeding. The plant grows well in moist, marshy soils.

Botanical Information ⁷

Beggar-ticks are a native plant. That means it’s from here. It starts growing green. When it dies, it turns purple.

Ecological Information ⁶

Seeds stick to clothes and animal fur. That is how the seed spreads. It will fall off and grow.

Ethnobotanical Information ⁶

It is used for medicine.

References ⁶

About the Author ⁶

Student author(s)*: Seamus (kindergarten) from Chinook Spirit Children’s Academy

*The entries in this field guide have been edited by Yerba Mansa Project staff to ensure that they contain quality, fact-checked content and standardized formatting.

Sources and Credits

1. (c) Joshua Mayer, some rights reserved (CC BY-SA), https://www.flickr.com/photos/wackybadger/23228490771/
2. (c) chinookspirit, all rights reserved
3. (c) Tom Potterfield, some rights reserved (CC BY-NC-SA), https://www.flickr.com/photos/tgpotterfield/15483985921/
4. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA), https://www.flickr.com/photos/jroldenettel/9546674750/
5. (c) Andrey Zharkikh, some rights reserved (CC BY), https://www.flickr.com/photos/zharkikh/9597313969/
6. (c) smiller33, some rights reserved (CC BY-SA)
7. Adapted by smiller33 from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Bidens_connata

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• NBN Atlas
• OregonFlora.org
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online

Range Map

(c) NatureServe, some rights reserved (CC-BY-NC)

iNat Map