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Rush Skeletonweed Chondrilla juncea

 

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Rush Skeletonweed
© Gary L. Piper, Washington State University/Invasive.org

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Family: Asteraceae, Aster view all from this family



Description Introduced. A green-stemmed, highly branched plant that bears clusters of small yellow flowers, followed by plumed seeds; bottom of stem covered in reddish hairs; stems and leaves exude a white, latex-like sap.
Flowers: tiny, yellow flowers in tightly packed heads less than 1" (2.5 cm) wide.
Leaves: basal rosette of sharply toothed, dandelion-like leaves; withers early.
Height: to 4' (1.20 m).


Flower July-September.


Habitat Disturbed areas, mainly with sandy soils, including agricultural lands and roadsides.


Range Native of northern Africa, western Asia, and Europe; introduced and widely naturalized in western areas of North America; also in areas of the East.


Discussion Rush Skeletonweed is classified as a noxious weed in many of the western states, where it is said to have colonized several million acres. Individual plants are difficult to remove because of their strong and extensive root systems. New plants can sprout from shoots or roots as well as seeds.


 

 

 

2007 eNature.com