Diphasiastrum complanatum
{{short description|Species of clubmoss plant from coniferous forests}}
{{Speciesbox
| image = Diphasiastrum complanatum 151207c.jpg
| status = G5
| status_system = TNC
| genus = Diphasiastrum
| species = complanatum
| synonyms = *Diphasium anceps Á. Löve & D. Löve
- Diphasium complanatum (L.) Rothm.
- Diphasium wallrothii H.P. Fuchs
- Lepidotis complanata (L.) P. Beauv.
- Lycopodium complanatum L.
- Stachygynandrum complanatum (L.) C. Presl
| synonyms_ref = [http://www.tropicos.info/Name/26604914?projectid=28 Tropicos][http://www.theplantlist.org/tpl1.1/record/tro-26604914 The Plant List][http://homepages.caverock.net.nz/~bj/fern/lycopodium.htm Family Lycopodiaceae, genus Lycopodium; world species list]
}}
Diphasiastrum complanatum,Holub, Josef Ludwig. 1975. Diphasiastrum, a new genus in Lycopodiaceae. Preslia 14: 97--100 common names groundcedar,{{PLANTS|id=LYCO3|taxon=Lycopodium complanatum|accessdate=24 June 2015}} creeping jenny, or northern running-pine, is a species of clubmoss native to dry coniferous forests in colder northerly parts of the world. Under the original name Lycopodium complanatum, this was an inclusive superspecies that included a number of other species now known to be biologically separate. This plant is an evergreen, perennial pteridophyte. The spores are produced June to September.{{cite book |last1=Piirainen |first1=Mikko |last2=Piirainen |first2=Pirkko |last3=Vainio |first3=Hannele |title=Kotimaan luonnonkasvit |trans-title=Native wild plants |date=1999 |isbn=951-0-23001-4 |page=18 |language=fi |location=Porvoo, Finland |publisher=WSOY}}
Description
Diphasiastrum complanatum is a perennial herb spreading by means of stolons that run along the surface of the ground. Above-ground stems tend to branch within the same geometric plane (hence the specific epithet "complanatum," meaning "same plane"). Strobili are vertical borne in groups of up to 4 at the ends of some of the branches.Wilce, J. H. 1965. Section Complanata of the genus Lycopodium. Beih. Nova Hedwigia 19: i--ix, 1--233, plate 40. The stem can reach even over 100 cm in length with offshoots of 5-30 cm long which are upright that are flat at the top. The leaves are scale-like small and parallel to the stem. The sporangium are in long-stalked densely cylindrical spore cones. The shoots on the horizontal plane can take root and eventually form large colonies. Eino Oinonen studied a clonal colony in Finland which measured {{cvt|250|m}} in diameter.{{cite journal | last= Oinonen | first= Eino | date= 1967 | title= Sporal Regeneration of Ground Pine.... etc | journal= Acta Forestalia Finnica | volume= 83 | pages= 84-85}}
Distribution
As the species is currently recognized, it has been found in Canada, Greenland, northern and central Europe including montane regions of the British Isles, Russia, China, Japan, India, Thailand, and the northern United States.[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=200002739 Diphasiastrum complanatum] in Flora of North America[https://plants.usda.gov/java/profile?symbol=LYCO3 USDA PLANTS Profile][http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242330823 Flora of China, Lycopodium complanatum Linnaeus, 1753. 扁枝石松 bian zhi shi song ]
Uses
References
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{{Taxonbar|from=Q787930}}
Category:Flora of Northern America
Category:Plants described in 1753
Category:Taxa named by Carl Linnaeus
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