| 词条 | Trientalis europaea |
| 释义 |
|name = Chickweed wintergreen |image = Trientalis europaea_LC0160.jpg |genus = Trientalis |species = europaea |authority = L. }} Trientalis europaea is a flowering plant in the primrose family Primulaceae, called by the common name chickweed-wintergreen[1] or arctic starflower.[2] It is a small herbaceous perennial plant with one or more whorls of obovate leaves.[3] The leaves take on a copper hue in late summer. The solitary white flowers (1–2 cm diameter, usually with 6-8 petals) appear in midsummer. Trientalis europaea occurs throughout boreal regions of Europe and Asia, but is largely replaced by Trientalis borealis in corresponding habitats in North America.{{citation needed|date=May 2016}} This is a woodland indicator species, and in Scotland it is found on acid, organic soils, mainly in pine, birch and oak woodland and moorland which has supported woodland in the past. The plant is a weak competitor, rarely reproducing by seed but forming extensive clonal populations interconnected by rhizomes during the growing season. The rhizomes and above-ground parts are deciduous, the plant forming overwintering tubers. The range of the plant is changing little in Scotland, but it has declined in northern England due to woodland clearance and moor burning. The flower is the provincial flower of the Värmland province in Sweden. References1. ^{{cite web |title=BSBI List 2007 |publisher=Botanical Society of Britain and Ireland |url=http://www.bsbi.org.uk/BSBIList2007.xls |format=xls |accessdate=2014-10-17 |deadurl=yes |archiveurl=https://www.webcitation.org/6VqJ46atN?url=http://www.bsbi.org.uk/BSBIList2007.xls |archivedate=2015-01-25 |df= }} {{Commons|Lysimachia europaea|Trientalis europaea}}{{Taxonbar|from=Q157581}}2. ^{{PLANTS|id=TREU|taxon=Trientalis europaea|accessdate=15 December 2015}} 3. ^TAYLOR LK, HAVILL DC, PEARSON J, WOODALL J (2002) Trientalis europaea. Journal ofEcology 90, 404–418 2 : Trientalis|Plants described in 1753 |
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