Autumn chrysanthemum
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Autumn chrysanthemum |
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| Chrysanthemum indicum | ||||||||||||
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The fall Chrysanthemum ( Chrysanthemum indicum ) is a plant from the genus of chrysanthemum ( Chrysanthemum ) within the family of Compositae (Asteraceae).
description
The autumn chrysanthemum is a perennial herbaceous plant . It reaches heights of 0.25 to 1.00 meters. Their thinly hairy stems are erect or diffuse and branched. During the flowering period, the lower leaves of the plant wither.
The petiole is one to two inches long. The equally light or olive green leaves on both sides are egg-shaped and reach lengths of three to ten centimeters with a width of two to seven centimeters.
The cup-shaped inflorescences have yellow ray flowers 1 to 1.3 centimeters long .
In China , the flowering period is between June and November. The fruits also ripen during this period. The achenes are 1.5 to 1.8 millimeters long.
The number of chromosomes is 2n = mostly 36, but also 35, 37, 38, 40 or 54.
distribution
The autumn chrysanthemum is native to Bhutan , China , India , Japan , Korea , Nepal , Russia , Taiwan and Uzbekistan .
In China, the spread is known for the provinces of Anhui , Fujian , Guangdong , Guangxi , Guizhou , Hebei , Heilongjiang , Henan , Hubei , Hunan , Jiangsu , Jiangxi , Shandong , Sichuan and Yunnan . It grows there at heights of 100 to 2900 meters both on mountain slopes, roadsides, fields, under bushes in humid locations near rivers and salty spots on beaches.
The fall chrysanthemum is one of the most important parents of the garden chrysanthemum . In its original area of distribution it is often confused with the cultivated forms, so that its natural area of distribution cannot be clearly defined. Outside of the natural range and also in Central Europe , it occurs as a garden plant.
Common names
For the autumn chrysanthemum, the other German-language common names exist or existed : chrysanthemum, Chinese chrysanthemum, Japanese chrysanthemum and Indian chrysanthemum.
literature
- Zhu Shi, Christopher J. Humphries, Michael G. Gilbert: Chrysanthemum. In: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (Eds.): Flora of China. Volume 20-21: Asteraceae . Science Press and Missouri Botanical Garden Press, Beijing / St. Louis 2011, ISBN 978-1-935641-07-0 , page 671 ( Chrysanthemum indicum ).
Individual evidence
- ↑ a b Zhu Shi, Christopher J. Humphries, Michael G. Gilbert: Chrysanthemum. In: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (Eds.): Flora of China. Volume 20-21: Asteraceae . Science Press and Missouri Botanical Garden Press, Beijing / St. Louis 2011, ISBN 978-1-935641-07-0 , p. 674 ( Chrysanthemum indicum ).
- ↑ Chrysanthemum indicum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ^ Georg August Pritzel , Carl Jessen : The German folk names of plants. New contribution to the German linguistic treasure. Philipp Cohen, Hannover 1882, page 94 ( online ).
