Rough Deutzie

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Rough Deutzie
Deutzia scabra A.jpg

Rough Deutzia ( Deutzia scabra )

Systematics
Nuclear eudicotyledons
Asterids
Order : Dogwood-like (Cornales)
Family : Hydrangea family (Hydrangeaceae)
Genre : Deutzia ( Deutzia )
Type : Rough Deutzie
Scientific name
Deutzia scabra
Thunb.

The rough Deutzia ( Deutzia scabra ) is a densely branched shrub with white flowers from the hydrangea family (Hydrangeaceae). The natural range of the species is in Japan. It is very often planted as an ornamental shrub .

description

Flowers and leaves

The Raue Deutzia is a 2.5 to 3 meter high, tightly upright and densely branched shrub with a cinnamon-colored bark that peels in paper-like strips . The leaves have a stalk about 5 millimeters long. The leaf blade is simple, 4 to 7 centimeters long and 2 to 3 centimeters wide, ovate to oblong, pointed, with a rounded base and finely serrated leaf margin. Both sides are dull green and noticeably rough. The upper side of the leaf is covered with three- to four-rayed star hairs, the underside with ten- to 15-rayed star hairs, some hairs on the leaf veins have several longer, upright hairs.

The inflorescences are 6 to 12 centimeters long, wide, conical, upright panicles with a star-haired inflorescence axis. The flowers are white or tinted pink on the outside and 1.5 to 2 centimeters wide. The sepals are triangular and shorter than the flower cup . The petals are almost upright and elongated. Ten stamens are formed, five longer with about 7 millimeters, the other five only 4 millimeters long. Usually three styles are formed.

The rough Deutzia flowers from May to June.

The number of chromosomes is 2n = 130.

Occurrence and location requirements

The natural range is in Japan in the west of Honshū , on Kyushu and Shikoku . The rough Deutzia grows in shrub areas and hedges on fresh to moist, slightly acidic to alkaline, nutrient-rich soils in sunny to light-shaded, summer-cool locations. The species is usually frost hardy .

Systematics

The rough Deutzie ( Deutzia scabra ) is a kind of the genus of deutzia ( Deutzia ). It is assigned to the subfamily Hydrangeoideae and the tribe Philadelpheae in the hydrangea family (Hydrangeaceae) . The species was in 1781 by Carl Peter Thunberg scientifically valid first described . The genus name Deutzia is reminiscent of the Dutch councilor Johan van der Deutz (1790 to 1858) from Amsterdam, a sponsor of the Swedish naturalist Carl Peter Thunberg, who named the genus. The specific epithet scabra comes from Latin and means "rough", "itchy".

use

The rough Deutzia is very often used as an ornamental shrub because of its flowers . There are several varieties among them

  • 'Candidissima' with pure white, rosette-like double flowers
  • 'Codsall Pink' with numerous 2.5 to 3 centimeters wide, mauve pink, double flowers in narrow, cone-shaped panicles
  • 'Plena' with 3 centimeters wide, densely filled, light pink flowers with a purplish pink outside
  • 'Pride of Rochester' with up to 3 centimeters wide, white on the inside and pale pink on the outside, dense, double flowers with narrow petals

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. 265.
  • Jost Fitschen: Woody flora . 12th, revised and expanded edition. Quelle & Meyer, Wiebelsheim 2007, ISBN 3-494-01422-1 , p. 460 .
  • 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

  1. German name according to Roloff et al .: Flora der Gehölze , p. 265 and after Fitschen: Gehölzflora , p. 460
  2. a b c d Roloff et al .: Flora der Gehölze , p. 265
  3. a b Deutzia scabra. In: Flora of Pakistan. www.eFloras.org, accessed on May 14, 2012 (English).
  4. ^ Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Verlag Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3131-5 . Page 493.
  5. a b Deutzia scabra. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed May 14, 2012 .
  6. Exactly: Etymological Dictionary of Botanical Plant Names , p. 205
  7. Exactly: Etymological Dictionary of Botanical Plant Names , p. 563

Web links

Commons : Deutzia scabra  - collection of images, videos and audio files