Green forsythia
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Green forsythia ( Forsythia viridissima ) |
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| Forsythia viridissima | ||||||||||||
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The Green Forsythia ( Forsythia viridissima ) is a yellow flowering shrub from the family of Olive Family (Oleaceae). The natural range of the species is in the temperate zone of China. It is often used as an ornamental shrub .
description
The green forsythia grows as an upright shrub and reaches heights of up to 3 meters. The branches are bare, stiff, square and olive-green to yellow-green. The pith of the branches is chambered. The leaves are divided into a petiole and a leaf blade. The petiole is 6 to 12 millimeters long and glabrous. The simple leaf blade is dark green, 3.5 to 15 centimeters long, 1 to 4 centimeters wide, oblong elliptical, lanceolate or long obovate, elliptical, pointed with a wedge-shaped base and continuously or partially serrated leaf margin.
The flowers are solitary, in twos or threes, rarely four in the leaf axils on 3 to 7 millimeter long stems. The calyx is 2.5 centimeters long and 2 to 4 millimeters long, broadly egg-shaped or oval, ciliate calyx tips. The corolla is deep yellow on the outside and shows yellow-orange stripes on the inside. The corolla tube is 5 to 6 millimeters long, the narrow elongated corolla lobes 0.6 to 1.8 centimeters. The pistil is 5.5 to 7 millimeters long in flowers with 3.5 to 5 millimeter long stamens , about 3 millimeters long in flowers with 6 to 7 millimeter long stamens. The capsule fruit is 1 to 1.5 centimeters long and 6 to 10 millimeters wide, egg-shaped and covered with cork pores . The green forsythia blooms from March to April, the fruits ripen from August to November.
The number of chromosomes is 2n = 28.
Occurrence
The natural range is in the temperate zone in the Chinese provinces of Anhui , Fujian , Hubei , Hunan , Jiangsu , Jiangxi , in the northwest of Yunnan and in Zhejiang and on the Korean peninsula . It grows in steppes and dry forests on fresh, weakly acidic to weakly alkaline, sandy-loamy to loamy, moderately nutrient-rich soils in sunny and hot locations. The species is sensitive to frost.
Systematics
The Green forsythia ( Forsythia viridissima ) is a kind of the genus of forsythia ( Forsythia ) in the family of Oleaceae (Oleaceae). There it is assigned to the Forsythieae tribe . John Lindley first described the species in 1846 . The generic name Forsythia is reminiscent of the English botanist William Forsyth , the specific epithet viridissima comes from Latin, means "deep green" and thus refers to the branches that remain green into the second year.
use
The green forsythia is often used as an ornamental shrub because of its decorative flowers . It is cultivated throughout China in the temperate zone.
proof
literature
- Wu Zheng-yi, Peter H. Raven (Ed.): Flora of China . Volume 15: Myrsinaceae through Loganiaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 1996, ISBN 0-915279-37-1 , pp. 280 (English).
- Andreas Roloff , Andreas Bärtels: Flora of the woods. Purpose, properties and use. With a winter key from Bernd Schulz. 3rd, corrected edition. Eugen Ulmer, Stuttgart (Hohenheim) 2008, ISBN 978-3-8001-5614-6 , p. 302.
- Jost Fitschen: Woody flora . 12th, revised and expanded edition. Quelle & Meyer, Wiebelsheim 2007, ISBN 3-494-01422-1 , p. 495 .
- Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 (reprint from 1996).
Individual evidence
- ↑ German name after Roloff et al .: Flora der Gehölze , p. 302 and Fitschen: Gehölzflora , p. 495
- ↑ a b c Mei-chen Chang, Lien-ching Chiu, Zhi Wei, Peter S. Green: Forsythia viridissima . In: Wu Zheng-yi, Peter H. Raven (Ed.): Flora of China . Volume 15: Myrsinaceae through Loganiaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 1996, ISBN 0-915279-37-1 , pp. 280 (English).
- ↑ a b c d Roloff et al .: Flora der Gehölze , p. 302
- ^ Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . With the collaboration of Angelika Schwabe and Theo Müller. 8th, heavily revised and expanded edition. Eugen Ulmer, Stuttgart (Hohenheim) 2001, ISBN 3-8001-3131-5 , pp. 749 .
- ↑ a b Forsythia viridissima. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed April 6, 2012 .
- ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 254
- ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 686
Web links
- Forsythia viridissima. In: The Plant List. Retrieved April 6, 2012 .