Any of several tuberous-rooted plants of the genus Dahlia of the composite family, native to Mexico, Central America, and northern South America and cultivated for their showy, colorful flower heads.
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Any of a genus (Dahlia) of perennial plants of the composite family, with tuberous roots and large, showy flower heads in various bright colors, native to Mexico and Central America.
New Latin Dahliagenus nameafter AndersDahl (1751–1787), Swedish botanist
Sentence Examples
In the dahlia the florets are rendered quilled, and are made to assume many glowing colours.
amoena, amoena spectabilis, magnifica, paronychioides major aurea and amabilis; Alyssum maritimum variegatum; some of the dwarf varieties of Antirrhinum majus; Arundo Donax variegata; Begonias; Calceolarias; Cannas; Centaurea ragusina; Clematises, of which the hybrids of the Jackmanni type are best; Dahlia variabilis, and the single-flowered forms of D.
The flower of a double dahlia, e.g.
As long as the weather keeps mild Dahlia roots are best in the soil, and need not be taken up till the end of November; but should sharp frosts be followed by heavy rain they should be promptly removed from the ground.
Dahlia gracilis - A distinct and graceful plant, with slender stems and finely divided foliage, which gives it a freer habit than any other Dahlia.