Stachyurus
Chinese Stachyurus ( Stachyurus chinensis)
The Perlschweife ( Stachyurus ), also called Swiss ferries are the only plant genus of the family of Stachyuraceae. They have their areas in eastern Asia.
Description
The Stachyurus species are deciduous or semi- evergreen shrubs, and occasionally small trees.
The alternate, undivided leaves are oval and triangular front acuminate to broadly lanceolate, narrowly lanceolate in S. salicifolius. The leaf margin is usually finely toothed, in some species with larger blunt teeth. At the base of each leaf blade are two long pointed stipules that fall, however early.
Typical are the inflorescences, which usually appear in early spring before the leaves. In each bud one arises in most species down hanging, also with some upright, pearl chain-like cluster. The radial symmetry, short -stalked, whitish to yellowish flowers are cruciform. The bell-shaped perianth consists of four petals and four similarly shaped but smaller sepals, which overlap each well at the edges. The eight stamens are in two circles. The vierfächrige ovary is upper constant. It is made a berry with leathery pericarp.
Use
The Japanese and the Chinese Stachyurus Stachyurus is sometimes found as an ornamental plant, but mostly in botanical gardens. Otherwise the genus is economically completely meaningless.
Occurrence
All species of the genus are from East Asia, of which S. praecox from Japan, the other species occur in China to the Himalayas ago.
All species grow as undergrowth in forests or in thickets of the forest.
Species
The genus consists, depending on the view from five to eight species, which differ mainly in the shape, texture and edging of the leaves.
- Chinese Stachyurus ( Stachyurus chinensis Franch. ); taking place in China at altitudes 400-3000 m before
- Stachyurus cordatulus Merrill; taking place in China Northwest Yunnan at altitudes 1400-2100 meters and in North Myanmar ago
- Stachyurus himalaicus JDHooker & Thomson ex Bentham; taking place in China Xizang and Yunnan at altitudes 400-3000 meters in front, also in Bhutan, northern India, Myanmar and Nepal
- Japanese Stachyurus or "Previously Stachyurus " (. Praecox Sieb & Zucc Stachyurus. ); launched in Japan in Honshu, Kyushu, the Ryukyu islands, Shikoku and Ogawara Islands ago
- Stachyurus retusus YCYang ( Syn: Stachyurus szechuanensis WPFang ); comes in Sichuan and northeast Yunnan at altitudes from 1,600 to 2,500 meters before
- Stachyurus salicifolius Franchet; taking place in China Nanchuan, Sichuan and northeast Yunnan ago
- Stachyurus yunnanensis Franchet; comes in China 800-1800 meters altitude before and also in northern Vietnam.
Swell
- The family at the APWebsite. (English )
- Qiner Yang & Peter Stevens: Flora of China, Volume 13, page 138-140: Stachyuraceae - Online.