Claytonia sibirica

Tracheophyta MagnoliopsidaPortulacaceaeClaytoniaClaytonia sibirica

Ecology

An annual to perennial herb of damp, bare sites, often found in open woodlands or hedgerows, or by shaded streams from where it may be washed downstream to new sites. Predominately lowland, but reaching 425 m at Dockray (Cumberland).

Status

Neophyte

World Distribution

Native of eastern Asia and western N. America; widely naturalised in N.W. Europe.

Broad Habitats

Light (Ellenberg): 5

Moisture (Ellenberg): 7

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 6

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.2

July Mean Temperature (Celsius): 14.4

Annual Precipitation (mm): 1092

Height (cm): 40

Perennation - primary

Annual

Perennation - secondary

Perennial

Life Form - primary

Therophyte (annual land plant)

Life Form - secondary

Hemicryptophyte

Comment on Life Form

"Butcher (1961) says annual, but Stace and CTW note that can be perennial. It would then be a semi-rosette hemicryptophyte."

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 1166

Count of 10km squares in Ireland: 25

Count of 10km squares in the Channel Isles: 6

Atlas Change Index: 1.28

Weighted Changed Factor: 14

Weighted Change Factor Confidence (90%)

23

JNCC Designations

NBNSYS0000003080

Atlas text references

Atlas (80c)
French CN, Murphy RJ, Atkinson MGC
1999.  Flora of Cornwall.
Hultén E
1968.  Flora of Alaska and neighboring territories.
Jalas & Suominen (1980)