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Common Broomweed, Prairie Broomweed

Amphiachyris dracunculoides (DC.) Nutt.

[formerly Gutierrezia dracunculoides (DC.) S. F. Blake]

Asteraceae (Aster Family)

 

▲ ▼young plants

▲ young mature plants

▲ ▼flowering plants

▲ ▼flower detail

▲ ▼flower detail

▲ ▼flower detail

▲ ▼ mature plants after flowering

▲ population of common broomweed along rocks along roadside in Missouri

 

Amphiachyris dracunculoides (DC.) Nutt. [formerly Gutierrezia dracunculoides (DC.) S. F. Blake], Common Broomweed, Prairie Broomweed: (Bayer Code:  GUEDR; US Code AMDR)

·         A much branched, annual with “tree-shaped growth habit”  (single stem below, much-branched in top portion)

·         Has linear, medium to light-green leaves with slightly toothed, rolled-under margins

·         Produces tiny, yellow flower-heads at the tips of branches in late summer to early fall

·         Grows 12-36 inches tall and may be toxic to livestock, if grazed, but usually avoided

·         A somewhat similar-appearing species, broom snakeweed, is a simple perennial weed, often globe-shaped rather than tree-shaped, with much branching arising from base of stem; broom snakeweed is found in dryer soils, more in western Midwest prairies and rangeland

 

 

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Updated 19 January 2019