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  2. Dahlia - Wikipedia

    en.wikipedia.org/wiki/Dahlia

    The first plant was called Dahlia pinnata after its pinnate foliage; the second, Dahlia rosea for its rose-purple color. In 1796, from the parts sent by Cervantes, Cavanilles flowered a third plant, which he named Dahlia coccinea for its scarlet color. In 1798, Cavanilles sent D. pinnata seeds to Parma, Italy.

  3. Dahlia pinnata - Wikipedia

    en.wikipedia.org/wiki/Dahlia_pinnata

    Dahlia pinnata is a perennial herbaceous plant with a rhizome and tuberous roots, reaching a height of 70 to 120 centimetres (28 to 47 inches), rarely 160 cm. The stem is erect, and branched only in the inflorescence. The leaves are usually simple, with leaflets that are ovate and 5–10 centimetres (2–4 in) long. The plant is slightly shaggy.

  4. List of Dahlia species - Wikipedia

    en.wikipedia.org/wiki/List_of_dahlia_species

    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);

  5. Dahlia imperialis - Wikipedia

    en.wikipedia.org/wiki/Dahlia_imperialis

    From its underground base, the plant will begin sending up hollow, cane-like, 4-sided stems with swollen nodes and large, tripinnate leaves; foliage near the ground is quickly shed. The pendant or nodding flowerheads are 7.5–15 centimetres (3–6 inches) across, with ray florets , typically a lavender or mauvish-pink in colour.

  6. Verticillium dahliae - Wikipedia

    en.wikipedia.org/wiki/Verticillium_dahliae

    Verticillium dahliae invades the host plant via natural wounds or by penetrating the root tissue. Following entry, the pathogen enters the xylem where conidia are spread throughout the host. The plant responds to the pathogen by producing tyloses which block the xylem, resulting in decreased water flow and wilting.

  7. Dahlia coccinea - Wikipedia

    en.wikipedia.org/wiki/Dahlia_coccinea

    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.

  8. Dahlia 'Bishop of Llandaff' - Wikipedia

    en.wikipedia.org/wiki/Dahlia_'Bishop_of_Llandaff'

    The simpler form (single or semi-double) [1] [3] of the flower makes the nectar and pollen more accessible to pollinating insects. [4] A seed strain has been produced from this plant called 'Bishops Children', they retain the dark foliage colour but produce a mix of flower colours and flower shapes from single to semi-double flowers in ...

  9. Dahlia tenuicaulis - Wikipedia

    en.wikipedia.org/wiki/Dahlia_tenuicaulis

    Dahlia tenuicaulis is a species of flowering plant in the family Asteraceae. A so-called "tree dahlia", its flowers are 8 centimetres (3 inches) wide. [ 1 ] Native to the mountains of southern Mexico, [ 2 ] it is occasionally available from commercial suppliers.

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