Authentic Wisconsin.  Crowned Beggarticks - Bidens trichosperma


Crowned Beggarticks on shore of Lake Wingra in Wingra Park on August 27, 2020.


Above: Goldenrod Soldier Beetles on Crowned Beggarticks on shore of Lake Wingra in Wingra Park (8/27/20).


Crowned Beggarticks - Bidens trichosperma - (formerly Bidens coronata)

Crowned Beggarticks is native plant that grows 6"-60" tall. They prefer wet environments like meadows, marshes and shorelines.

Crowned Beggarticks flowers have eight yellow petals and a yellow to brownish button center. On the back of the flower ray there are straight, narrow green bracts with blunt tips. Between the bracts and petals is a layer of yellow sepals.

Blooms August - October

Other names: tickseed-sunflower, northern tickseed-sunflower, tall swamp marigold.

Bidens: derived from Latin bis, "twice," and dens, "tooth." Hence meaning "2-toothed" and referring to the bristles on the achenes.

Crowned Beggarticks leaves and stems.


Above: Crowned Beggarticks leaves and stems.


For more information on the Crowned Beggarticks, visit Wikipedia.

Or, visit the UW-Madison Wisconsin State Herbarium website page about Crowned Beggarticks.


Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 24, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 24, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 6, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 6, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 6, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 6, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 6, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 6, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 4, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 31, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 31, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 29, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 28, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 27, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 27, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 27, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 27, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 27, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 26, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 26, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 24, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 24, 2020.
Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2019.

↩  Back to Wisconsin Wildflowers

 

Wisconsin Wildflowers


Crowned Beggarticks
Bidens trichosperma


Crowned Beggarticks have green bracts that are straight and narrow with blunt tips.

Crowned Beggarticks have green bracts that are straight and narrow with blunt tips.


Above: Crowned Beggarticks have green bracts that are straight and narrow with blunt tips. Between the bracts and petals is a layer of yellow sepals.


Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 6, 2020.


Above: Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 6, 2020.


Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 29, 2020.


Above: Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on August 29, 2020.


Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.

Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.


Above: Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2020.


Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2019.

Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2019.

Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2019.


Above: Crowned Beggarticks on shore of Lake Wingra in Wingra Park in Madison, Wisconsin on September 1, 2019.


Crowned Beggarticks on shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 6, 2020.


Above: Crowned Beggarticks on shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 6, 2020.


Beggarticks achenes.


Above: Beggarticks achenes (seeds) are mostly flat with with 2- bristly awns. NOTE: Above seeds are from Devils Beggarticks (Bidens frondosa).


Crowned Beggarticks specimen collected in Richland County in Sand Prairie State Natural Area on August 1, 2015.


Above: Crowned Beggarticks specimen collected in Richland County in Sand Prairie State Natural Area on August 1, 2015.


Crowned Beggarticks botanical illustration by Helen Sharp circa 1900.


Above: Crowned Beggarticks botanical illustration by Helen Sharp circa 1900.


Crowned Beggarticks botanical illustration circa 1913.


Above: Crowned Beggarticks botanical illustrations.



↩   Back to Wisconsin Wildflowers