Soft-haired pipe bush
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The soft-haired pipe shrub ( Philadelphus pubescens ) is a large shrub from the hydrangea family (Hydrangeaceae). Its natural range is in the United States.
description
The soft-haired pipe shrub is an up to 3 meters high, upright shrub with gray, non-flaking bark . Young shoots are green and bare. Armpit buds are not visible. The leaves are simple. The leaf blade is 4 to 10 centimeters long, egg-shaped or elliptical, suddenly pointed with a broad wedge-shaped or rounded base and usually with a toothed edge. The upper side of the leaf is dark green and bare except for the coarse hairy central rib, the underside is densely hairy.
The flowers are five to nine rarely eleven in clusters . The individual flowers are bowl-shaped, 3 to 4 centimeters wide and not fragrant. The calyx is densely hairy and has 6 to 7 millimeters long, egg-shaped, pointed sepals. The creamy white petals are obovate to oblong. The stylus is grown to two thirds and how the discus bare. About 35 stamens are formed. The species blooms from June to July.
Distribution and ecology
The natural range is in the east of the USA. The species grows in floodplains and on river banks on moderately dry to fresh, weakly acidic to strongly alkaline, sandy, gravelly or loamy, nutrient-rich soils in sunny locations. It loves warmth and is usually frost hardy.
Systematics and research history
The soft-haired pipe bush ( Philadelphus pubescens ) 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 Loiseleur-Deslongchamps in 1820 .
use
The soft-haired pipe bush is very rarely used as an ornamental plant because of its decorative 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. 450.
Individual evidence
- ↑ German name after Roloff et al .: Flora of the woods
- ↑ a b c d Roloff et al .: Flora der Gehölze , p. 450
- ^ Philadelphus pubescens. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed February 19, 2012 .
Web links
- Thomas Meyer: Data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )
- Philadelphus pubescens. In: The Plant List. Retrieved February 19, 2012 .