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| Hairy galinsoga - Galinsoga quadriradiata Cav. | |||||
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Life cycle: Prolific, seed-producing summer annual. Leaves: Opposite, egg-shaped to triangular leaves with coarsely toothed margins, sharp tips and densely hairy upper leaf surfaces. 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. Reproduction: Seeds. |
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