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Most Excellent Weed Gallery

Weedy Daisies - Broomweed, Snakeweed, Gumhead

     

Asteraceae (Compositae) - Sunflower family
Prairie Broomweed (Common Broomweed, Annual Broomweed) Amphiachyris dracunculoides
Flower about 3/8" wide that grow in loose clusters (compound corymb). Plant about 24" tall. "Trunk" is woody, leafless, and can be over 12" long. Leaves between main stem and second branching are much larger (2 1/2" x 3/8") than the linear leaves above (1" long).
Photos taken in Taylor County, Texas, October 2006
(Native of Texas - Taylor, etc.)

Similar Species

Texas Broomweed Amphiachyris amoena
(Native of Texas - Brown)

Specimen A

        

Specimen B

        

Asteraceae (Compositae) - Sunflower family
Broom Snakeweed Gutierrezia sarothrae (Xanthocephalum sarothrae)
Similar to Prairie Broomweed except does not have "trunk" and flowers are in clusters at top. Some do not have many ray flowers. Linear leaves, up to 1 1/2 long, alternate. Grows to 2 feet tall from a woody base. With water it becomes a dense round bush.
Photos taken in Taylor County, Texas, October 2005, October 2006
(Native of Texas - Taylor, Jones, Shackelford, Brown, Coke)

Similar Species

Round-leaf Snakeweed Gutierrezia sphaerocephala
Wide-spaced ray petals. Small linear leaves.
(Native of Texas - Taylor, Fisher)

Texas Snakeweed Gutierrezia texana
This plant has the form of Prairie Broomweed, with a "trunk" and single flowers. Tiny linear leaves.
(Native of Texas - Taylor, Jones, Shackelford, Coleman, Brown, Coke, Nolan)

        

Asteraceae (Compositae) - Sunflower family
Gumhead Gymnosperma glutinosum
Flowers grow in clusters (flat top). Each flower about 1/4" long with very tiny ray petals, which makes them look unopened. Plant shown is about 18" tall and appears sparse. Leaves small and thin. Sickly sweet aroma.
Photos taken in Taylor County, Texas, September 2005
(Native of Texas - Taylor)