Hairy galinsoga
August 7, 2015
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EmailGalinsoga quadriradiata Cav.
Life cycle
Prolific, seed-producing summer annual.
Young hairy galinsoga plant.
Leaves
Opposite, egg-shaped to triangular leaves with coarsely toothed margins, sharp tips and densely hairy upper leaf surfaces.
Hairy galinsoga leaf.
Stems
Erect with multiple, opposite branching stems. They are up to 2 feet tall and covered with coarse hairs.
Flowers and fruit
Numerous small flower heads are formed in terminal and axillary clusters. Each head has four to five white, three-toothed ray flowers and centers with numerous yellow disk flowers. The seed is enclosed in a single-seeded, brown to black, wedge-shaped, wind-disseminated fruit.
Hairy galinsoga flower.
Reproduction
Seeds.
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