Common sunflower is a widely branching, stout annual, 1-1/2 to 10 ft. tall, with coarsely hairy leaves and stems. The terminal flowers heads are large and showy, up to 5 inches across.
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Common sunflower
Plant
The common sunflower is a species of large annual forb of the daisy family Asteraceae. The common sunflower is harvested for its edible oily seeds which are used in the production of cooking oil. Wikipedia
Common sunflower is an erect annual herb common throughout the United States and southern Canada. It is frequently a problem in agronomic crops, roadsides, and ...
Helianthus annuus is a coarse, hairy, leafy, fast growing annual that grows from 5-10 ft (1.5-3 m) tall on stiff upright stalks. It is native to dry plains, ...