Peking whistle bush
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Peking whistle bush ( Philadelphus pekinensis ) |
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The Peking whistle bush ( Philadelphus pekinensis ) is a species of the hydrangea family (Hydrangeaceae). Its natural range is in Korea and in several provinces of China . It is sometimes used as an ornamental shrub because of its decorative and fragrant flowers .
description
The Peking pipe shrub is a 1 to 2 meter high shrub with chestnut brown and peeling bark . Young shoots are glabrous and often covered with purple. The leaves are simple and have a 5 to 12 millimeter long purple petiole. The leaf blade is oblong-ovate, 4 to 9 centimeters long and 1 to 4.5 centimeters wide, long, pointed with a wedge-shaped base and serrate, rarely entire leaf margin. The upper side of the leaf is bare, the underside of the leaf is gray-green and may be slightly hairy on the veins. Three to five pairs of nerves are formed, which also have a purple color.
The flowers are five to seven rarely up to nine in dense, bare clusters with a 3 to 5 centimeter long spindle. The individual flowers are 2 to 3 centimeters wide and fragrant. The calyx is bare, light yellowish green, often tinged with purple and has egg-shaped, 4 millimeter long sepals. The creamy white petals are spread flat, egg-shaped, up to 1.2 centimeters long, about 0.8 centimeters wide and striped purple on the reverse side before they open up. Stylus and discus are bare, the stylus is 4 to 5 millimeters long. The 25 to 28 stamens reach a length of up to 1.7 centimeters. The fruits are round or inverted-conical capsule fruits with a diameter of 5 to 7 millimeters . The seeds are 3 to 4 millimeters in size. The species blooms from May to July, the fruits ripen from August to October.
Distribution and ecology
The natural range is in Korea and in the Chinese provinces of Hebei , Liaoning , Shaanxi and Shanxi . Deposits in Hubei , Zhejiang and Jiangsu are uncertain. The species grows in steppes and dry forests at altitudes of 700 to 900 meters on moderately dry to fresh, weakly acidic to alkaline, sandy-loamy to loamy, nutrient-rich soils in sunny to light-shady locations. It loves warmth and is usually frost hardy.
Systematics and research history
The Peking pipe bush ( Philadelphus pekinensis ) is a species from the genus of the pipe bushes ( Philadelphus ) in the hydrangea family (Hydrangeaceae), subfamily Hydrangeoideae, tribe Philadelpheae. The species was first described by Franz Joseph Ruprecht in 1857 .
use
The Peking pipe shrub is rarely used as an ornamental plant because of its decorative and fragrant flowers.
proof
literature
- 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. 449.
- Wu Zheng-yi, Peter H. Raven (Ed.): Flora of China . Volume 8: Brassicaceae through Saxifragaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 2001, ISBN 0-915279-93-2 , pp. 396 (English).
Individual evidence
- ↑ German name after Roloff et al .: Flora of the woods
- ↑ a b c d Roloff et al .: Flora der Gehölze , p. 449
- ↑ a b c d Huang Shumei (Hwang Shu-mei); Hideaki Ohba, Shinobu Akiyama: Philadelphus pekinensis in Flora of China. Volume 8, p. 396
- ↑ Philadelphus pekinensis. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed February 18, 2012 .
Web links
- Philadelphus pekinensis. In: The Plant List. Retrieved February 18, 2012 .