{{Short description|Genus of flowering plants in the family Stachyuraceae}} {{Automatic taxobox | image = Stachyurus praecox3.jpg | image_caption = ''Stachyurus praecox'' flowers. | parent_authority = J.Agardh | taxon = Stachyurus | authority = Siebold & Zucc. | subdivision_ranks = Species | subdivision = See text }}

'''''Stachyurus''''' is the only genus in the flowering plant family '''Stachyuraceae''',<ref name="Christenhusz-Byng2016">{{cite journal | author = Christenhusz, M. J. M. | author2 = Byng, J. W. | name-list-style = amp | year = 2016 | title = The number of known plants species in the world and its annual increase | journal = Phytotaxa | volume = 261 | pages = 201–217 | url = http://biotaxa.org/Phytotaxa/article/download/phytotaxa.261.3.1/20598 | doi = 10.11646/phytotaxa.261.3.1 | issue = 3 | publisher = Magnolia Press | doi-access = free | bibcode = 2016Phytx.261..201C }}</ref> 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.<ref name=RHSAZ>{{cite book|title=RHS A-Z encyclopedia of garden plants|year=2008|publisher=Dorling Kindersley|location=United Kingdom|isbn=978-1405332965|pages=1136}}</ref> The plants have leaves with serrate margins.

Pendunculagin, casuarictin, strictinin, casuarinin and casuariin are ellagitannins found in species in this genus.<ref>[http://cat.inist.fr/?aModele=afficheN&cpsidt=9467908 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]</ref>

''Stachyurus praecox'' and the slightly later-flowering ''S. chinensis'', from Japan and China, respectively, are both cultivated as ornamental plants elsewhere as they flower early in temperate climates.

[[File:(MHNT) Stachyurus chinensis 'Joy Forever' Les Martels, Giroussens Tarn.jpg|250px|thumbnail|right|''Stachyurus chinensis'']]

== Species list == * ''Stachyurus chinensis'' * ''Stachyurus coaetaneus'' * ''Stachyurus cordatulus'' * ''Stachyurus himalaicus'' * ''Stachyurus obovatus'' * ''Stachyurus praecox'' * ''Stachyurus retusus'' * ''Stachyurus salicifolius'' * ''Stachyurus yunnanensis''

== References == {{Reflist}}

==External links== *[http://www.mobot.org/MOBOT/research/APweb/orders/crossosomatalesweb.htm#Stachyuraceae Stachyuraceae] in Stevens, P. F. (2001 onwards).

{{Angiosperm families}} {{Taxonbar|from=Q3495434}}

Category:Stachyuraceae Category:Rosid genera Category:Taxa named by Philipp Franz von Siebold Category:Taxa named by Joseph Gerhard Zuccarini