Large-feathered dahlia
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Large-feathered dahlia ( Dahlia pinnata ) |
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| Cav. |
The large-feathered dahlia ( Dahlia pinnata ) is a species of the genus Dahlia ( Dahlia ) in the sunflower family (Asteraceae).
features
The large feathered dahlia is a perennial herbaceous plant with a rhizome and tuberous roots that reach heights of growth of 70 to 120, rarely up to 160 centimeters. The plant is weakly wire-haired. The stem is erect and only branched in the inflorescence. The leaves are usually single, only rarely are they double pinnate. The midrib is broadly edged. The leaflets are egg-shaped and 5 to 10 centimeters long.
The two to eight flower heads are 6 to 10 centimeters in diameter and are located on 5 to 15 centimeters long stems. The outer bracts are obovate. The eight ray-florets have a length of 3 to 5 centimeters, are egg-shaped and colored pink to deep purple.
The flowering period extends from July to October.
Occurrence
The large-feathered dahlia is found in Mexico in the mountains around Mexico City .
use
The large feathered dahlia is rarely used as a pure species as an ornamental plant. This species was already cultivated by the Aztecs before the discovery of America . Only in 1798 did she come to Madrid and around 1800 to Germany. Today's dahlia hybrids go back to crossings of the scarlet dahlia ( Dahlia coccinea ) and the large-feathered dahlia.
Synonyms
Synonyms for the large-feathered dahlia ( Dahlia pinnata ) are Dahlia rosea Cav. and Dahlia variabilis (Willd.) Desf.
supporting documents
- Eckehardt J. Jäger, Friedrich Ebel, Peter Hanelt, Gerd K. Müller (eds.): Rothmaler excursion flora from Germany. Volume 5: Herbaceous ornamental and useful plants. Spectrum, Akademischer Verlag, Heidelberg 2008, ISBN 978-3-8274-0918-8 .