Dahlia is a genus of bushy, tuberous, herbaceous perennial plants native to Mexico. A member of the Asteraceae or Compositae, dicotyledonous plants, related species include the sunflower, daisy, chrysanthemum, and zinnia. Flower forms are variable, with one head per stem; these can be as small as 5 cm 2 in diameter or up to 30 cm 1 ft or about the size of a dinner plate. The dahlia was declared the national flower of Mexico in 1963. The tubers were grown as a food crop by the Aztecs.

 

Dahlia red tipped yellow petals with yellow eye macro
© Photographer: Michelle K Wood | Agency: Dreamstime.com

 

Dahlia black background red tipped yellow petals with yellow eye closeup
© Photographer: Michelle K Wood | Agency: Dreamstime.com

 

Dahlia white background red tipped yellow petals with yellow eye closeup
© Photographer: Michelle K Wood | Agency: Dreamstime.com

 

Dahlia plant on black background red tipped yellow petals with yellow eye
© Photographer: Michelle K Wood | Agency: Dreamstime.com

 

Dahlia plant on white background red tipped yellow petals with yellow eye
© Photographer: Michelle K Wood | Agency: Dreamstime.com

 

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