Claytonia sibirica
Encyclopedia
Claytonia sibirica is a flowering plant
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

 in the family Portulacaceae
Portulacaceae
Portulacaceae are a family of flowering plants, comprising about 20 genera with about 500 species, ranging from herbaceous plants to shrubs. The family has been recognised by most taxonomists, and is also known as the purslane family; it has a cosmopolitan distribution, with the highest diversity...

, native to Siberia
Siberia
Siberia is an extensive region constituting almost all of Northern Asia. Comprising the central and eastern portion of the Russian Federation, it was part of the Soviet Union from its beginning, as its predecessor states, the Tsardom of Russia and the Russian Empire, conquered it during the 16th...

 and western North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

. A synonym is Montia sibirica. The plant was introduced into the United Kingdom by the 18th century where it has become very widespread.

Habitat and description

It is found in moist woods. It is short-lived perennial or annual with hermaphroditic flowers which are protandrous and self-fertile. The numerous fleshy stems
Plant stem
A stem is one of two main structural axes of a vascular plant. The stem is normally divided into nodes and internodes, the nodes hold buds which grow into one or more leaves, inflorescence , conifer cones, roots, other stems etc. The internodes distance one node from another...

 form a rosette and the leaves
Leaves
-History:Vocalist Arnar Gudjonsson was formerly the guitarist with Mower, and he was joined by Hallur Hallsson , Arnar Ólafsson , Bjarni Grímsson , and Andri Ásgrímsson . Late in 2001 they played with Emiliana Torrini and drew early praise from the New York Times...

 are lanceolate. The flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s are 8-20 mm diameter, with five white, candy-striped, or pink petals, flowering is between February and August.

The Stewarton flower

An example of the variation found in Claytonia sibirica is the subspecies known as the Stewarton Flower, so named due to its local abundance in that part of North Ayrshire
North Ayrshire
North Ayrshire is one of 32 council areas in Scotland with a population of roughly 136,000 people. It is located in the south-west region of Scotland, and borders the areas of Inverclyde to the north, Renfrewshire to the north-east and East Ayrshire and South Ayrshire to the East and South...

, Scotland and recorded as such by the Kilmarnock Glenfield Ramblers.

In 1915 it was stated to have been in the Stewarton area for over 60 years and was abundant on the Corsehill Burn
River Irvine
The River Irvine is a river flowing through southwest Scotland, with its watershed on the Lanarkshire border of Ayrshire at an altitude of above sea-level, near Drumclog, and SW by W of Strathaven...

. As the plant is very adept at reproducing by asexual plantlets, this has maintained the white varieties gene pool around Stewarton
Stewarton
Stewarton is a town in East Ayrshire, Scotland. In comparison to the neighbouring towns of Kilmaurs, Fenwick, Dunlop and Lugton, it is a relatively large town, with a population of over 6,500. It is 300 feet above sea level.Groome, Francis H. . Ordnance Gazetteer of Scotland. Pub. Caxton. London....

. The pink variety has not been able to predominate here, and only occurs occasionally, unlike most other localities in Scotland.

External links

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