Chinese pearl tail

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Chinese pearl tail
Inflorescences

Inflorescences

Systematics
Rosids
Eurosiden II
Order : Crossosomatales
Family : Stachyuraceae
Genre : Pearl tails ( Stachyurus )
Type : Chinese pearl tail
Scientific name
Stachyurus chinensis
Franch.

The Chinese pearl tail or Chinese tail ear ( Stachyurus chinensis ) is a shrub with striking, light yellow inflorescences and spherical, green fruits from the family Stachyuraceae . The natural range of the species is in China and Taiwan . It is seldom cultivated.

description

The Chinese pearl tail is a 2 to 4 meter high, broadly upright, deciduous shrub with green or dull brown shoots. The leaves are alternate. They have a 1 to 2 centimeter long stem. The leaf blade is paper-like to membranous, 5 to 12 centimeters long and 3 to 7 centimeters wide, egg-shaped, oblong-ovoid to oblong-oval or rounded, long pointed or short-pointed pointed, rarely edged, with a rounded or almost heart-shaped base and notched sawn leaf edge. Five to six pairs of nerves protruding on both sides of the leaf are formed. The upper side of the leaf is glabrous, the underside is also glabrous or loosely hairy along the central and lateral veins.

The inflorescences are spikes 5 to 10 centimeters long . The flowers open before the leaves appear; they are yellow, about 7 millimeters in diameter, almost sessile or with a short stalk. The bracts are 3 millimeters long, triangular-oblong and pointed. The bracts are egg-shaped and about 2 inches long. The sepals are yellow-green, about 3.5 inches long, egg-shaped with a blunt leaf end. The petals are egg-shaped, about 6.5 millimeters long with a rounded tip. The ovary is bottle-shaped, fine hair, the stylus about 2 millimeters long. The fruits are round, glabrous, weakly ribbed, green and often reddish and have a diameter of 6 to 7 millimeters. The Chinese pearl tail blooms from March to April, the fruits ripen from May to July.

The number of chromosomes is 2n = 24.

Occurrence and location requirements

The natural distribution area is in China in the provinces of Anhui , Fujian , Gansu , Guangdong , Guangxi , Guizhou , Henan , Hubei , Hunan , Jiangxi , Shaanxi , Sichuan , Yunnan and Zhejiang and on Taiwan . The Chinese pearl tail grows in forests, thickets and forest edges at an altitude of 400 to 3000 meters on moderately dry to fresh, slightly acidic to alkaline, sandy-loamy to loamy, nutrient-rich soils in light to partially shaded locations. The species loves warmth and is moderately frost hardy .

Systematics

The Chinese pearl tail ( Stachyurus chinensis ) is a species from the genus of the pearl tail ( Stachyurus ), the only genus in the family Stachyuraceae, order Crossosomatales . The species was in 1898 by Adrien René Franchet scientifically valid first described . The generic name Stachyurus comes from the Greek, stachys means "ear", and oura "tail" or "tail". The specific epithet chinensis refers to the distribution area in China.

use

The Chinese pearl tail is sometimes cultivated as an ornamental shrub because of its decorative flowers .

proof

literature

  • Wu Zheng-yi, Peter H. Raven, Deyuan Hong (Eds.): Flora of China . tape 13 : Clusiaceae through Araliaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 2007, ISBN 978-1-930723-59-7 , pp. 140 (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. 628.
  • Jost Fitschen : Woody flora . 12th, revised and expanded edition. Quelle & Meyer, Wiebelsheim 2007, ISBN 3-494-01422-1 , p. 819 .
  • 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 Fitschen: Gehölzflora , p. 819
  2. ↑ German name after Roloff et al .: Flora der Gehölze , p. 628
  3. ↑ a b c d Jenny Qiuyun Xiang, David E. Boufford: Stachyurus chinensis , in the Flora of China , Volume 13, p. 140
  4. ↑ a b c d Roloff et al .: Flora der Gehölze , p. 628
  5. ↑ a b Stachyurus chinensis. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed May 18, 2012 .
  6. ↑ Jenny Qiuyun Xiang, David E. Boufford: Stachyurus chinensis , in the Flora of China , Volume 13, p. 140
  7. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 607
  8. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 150

Web links

Commons : Chinese Pearl Tail ( Stachyurus chinensis )  - Collection of images, videos, and audio files

Stachyurus chinensis. In: The Plant List. Retrieved May 18, 2012 .