Helwingia


Helwingia

Taxobox
name = Helwingiaceae



image_caption = "Helwingia japonica var. japonica"
regnum = Plantae
divisio = Magnoliophyta
classis = Magnoliopsida
ordo = Aquifoliales
familia = Helwingiaceae
familia_authority = Decne.
genus = "Helwingia"
subdivision_ranks = Species
subdivision = "Helwingia chinensis" [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=114973 Helwingia] , "Flora of China", consulted 2008-04-30]
"Helwingia himalaica"
"Helwingia japonica"
"Helwingia omeiensis"

The genus "Helwingia" consists of 2-5 species of shrubs native to Asia. It is the only genus in the family Helwingiaceae. [ [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=20143 Helwingiaceae] , "Flora of China", consulted 2007-01-26]

The plants have alternate leaves and small inflorescences which are epiphyllous (growing from the leaves). They are from temperate regions of eastern Asia: for example China, Nepal, and Japan.

The APG II classification (2003) places them in the order Aquifoliales, along with the hollies and Phyllonomaceae.

The family Helwingiaceae does not exist in the
Cronquist classification (1981), which places this genus in the Cornaceae (dogwood family).

References

External links

* [http://www.mobot.org/MOBOT/Research/APweb/orders/aquifolialesweb2.htm#Aquifoliales Aquifoliales - Angiosperm Phylogeny Website] , consulted 2007-01-26.
* [http://delta-intkey.com/angio/www/helwingi.htm Helwingiaceae] , Watson, L., and Dallwitz, M.J. 1992 onwards. The families of flowering plants: descriptions, illustrations, identification, and information retrieval. Version: 29th July 2006.
** Also see [http://delta-intkey.com/angio/www/cornacea.htm Cornaceae]
* [http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?lin=s&p=has_linkout&id=42226 Helwingiaceae] from "NCBI-Taxonomy"
* [http://www.ars-grin.gov/cgi-bin/npgs/html/family.pl?524 Helwingiaceae] , USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN Online Database). National Germplasm Resources Laboratory, Beltsville, Maryland. Consulted 2007-01-26.


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  • Helwingia — noun deciduous dioecious shrubs native to woodland thickets in low mountains in Japan • Syn: ↑genus Helwingia • Hypernyms: ↑rosid dicot genus • Member Holonyms: ↑Cornaceae, ↑family Cornaceae, ↑dogwood family …   Useful english dictionary

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