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Dahlia coccinea is a species of flowering plant in the daisy family Asteraceae. Its common name is red dahlia , although the flowers can be orange or occasionally yellow, as well as the more common red.
The inappropriate term D. variabilis is often used to describe the cultivars of Dahlia since the correct parentage remains obscure, but probably involves Dahlia coccinea. [5] [23] In 1846 the Caledonia Horticultural Society of Edinburgh offered a prize of 2,000 pounds to the first person succeeding in producing a blue dahlia. [43]
'Bishop of Llandaff' is a cultivar of the dahlia, a garden plant. It is a branching, tuberous tender perennial with dark purple, almost black, foliage. This produces a stunning contrast with its scarlet flowers. [1] The plant was first bred by Fred Treseder, a Cardiff nurseryman. [2]
Dahlias tend to attract quite a bit of insects, some which are dangerous and harmful to their survival. Insects like slugs, earwigs, the red spider, snails, caterpillars, aphids, and thrips threaten dahlias because they can eat the petals, leave slime trials, leave tattered petals, etc. Dahlias can also become infected with the following diseases: Sclerotinia disease, fungal diseases, mildew ...
Pages in category "Dahlia" The following 14 pages are in this category, out of 14 total. ... Dahlia coccinea; List of Dahlia cultivars; I. Dahlia imperialis; L.
There are 42 accepted species of flowering plants in the genus Dahlia, according to The Plant List. [1] The sectional classification of Dahlia sensu Sørensen (1969) [ 2 ] as updated by Saar et al. (2003) [ 3 ] and Hansen (2004) [ 4 ] and (2008) [ 5 ] is as follows (excluding infraspecific taxa);
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A potted angel wing begonia (Begonia aconitifolia × B. coccinea) The different groups of begonias have different cultural requirements, but most species come from tropical regions, so they and their hybrids require warm temperatures. Most are forest understory plants and require bright shade; few will tolerate full sun, especially in warmer ...
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