Stachyurus
| Stachyurus | |
|---|---|
| |
| Stachyurus praecox flowers. | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Crossosomatales |
| Family: | Stachyuraceae J.Agardh |
| Genus: | Stachyurus Siebold & Zucc. |
| Species | |
|
See text | |
Stachyurus is the only genus in the flowering plant family Stachyuraceae,[1] native to the Himalayas and eastern Asia. They are deciduous shrubs or small trees with pendent racemes of 4-petalled flowers which appear on the bare branches before the leaves.[2] The plants have leaves with serrate margins.
Pendunculagin, casuarictin, strictinin, casuarinin and casuariin are ellagitannins found in species in this genus.[3]
Stachyurus praecox from Japan, and the slightly later-flowering S. chinensis from China, are both cultivated as ornamental plants, valued for their exceptionally early flowering periods.
Species list
[edit]- Stachyurus chinensis
- Stachyurus coaetaneus
- Stachyurus cordatulus
- Stachyurus himalaicus
- Stachyurus obovatus
- Stachyurus praecox
- Stachyurus retusus
- Stachyurus salicifolius
- Stachyurus yunnanensis
References
[edit]- ^ Christenhusz, M. J. M. & Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. 261 (3). Magnolia Press: 201–217. doi:10.11646/phytotaxa.261.3.1.
- ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
- ^ Tannins of Casuarina and Stachyurus species. I: Structures of pendunculagin, casuarictin, strictinin, casuarinin, casuariin, and stachyurin. Okuda T., Yoshida T., Ashida M. and Yazaki K., Journal of the Chemical Society, 1983, no8, pp. 1765-1772
External links
[edit]- Stachyuraceae in Stevens, P. F. (2001 onwards).
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